Garry Tan: "We do still read the Prince. Methods still valuable and can be used for good"

Fred Wilson recommends 'The Prince' for entrepreneurs.

Donald Trump recommends 'The Prince' in his book 'Trump 101: The Way to Success'

One of Stephen Schwarzman's favorite books

Naval Ravikant mentioned reading Letters from a Stoic.

Tim Ferriss: "Seneca is an outstanding thinker and this is, I think, one of his most accesible books."

Garry Tan: "It's a great read -- short but one of the more impactful books I've read in a long while."

Daniel Ek: "I spent an inspiring evening with Paulo in Switzerland, around the time we were launching Spotify in Brazil.

It was fascinating to talk to him about how this book came to be such a hit.

He never backed down, and he allowed people to read it for free in order to then boost sales - much like how Spotify's free-mium model was perceived in the early days."

Jen Rubio: "Full of sage advice -- every time I've read it, new pieces of advice jump out at me depending on what's going on in my life and career."

Tim Ferriss: "Very powerful book that I recommend to everyone"

Fred Wilson: "Amazing book that made me see things differently"

One of Richard Branson's top books to read in a lifetime.

Vinod Khosla: "One of my favorite books when I was a teenager! I still keep it around the house and periodically look at it."

Fred Wilson: "That’s a good one"

Sam Hinkie: "Please everyone read East of Eden"

Brianne Kimmel: "If you’re struggling to find the right words or new to writing publicly, this book is a must-read."

Tim Ferriss: "This is one of the best books about non-fiction writing that I’ve ever read."

Naval Ravikant mentioned 'Flowers for Algernon' on Twitter.

Naval Ravikant mentioned reading 'Great Short Poems' on Twitter.

Naval Ravikant mentioned reading '100 Best-Loved Poems' on Twitter.

Naval Ravikant: "Buy the book"

Naval Ravikant mentioned 'Tlon, Uqbar, Orbis Tertius' on Twitter.

Naval Ravikant: "If I'm going to read fiction, might as well start at the top."

This book was on Sam Altman's bookshelf.

Sam Altman: "Really good."

This book was on Sam Altman's bookshelf.

This book was on Sam Altman's bookshelf.

Sam Altman: "Re-reading this book. It's incredible."

This book was on Sam Altman's bookshelf.

Nassim Taleb: "I never understood why the book never made it in the Anglo-Saxon world. Il deserto is one of the 20th century's masterpieces."

Nassim Taleb: "Not just very deep but it is a breath of fresh air to see such a philosophical discussion nondull, nondry, alive!"

Nassim Taleb: "This treasure will prevent you from enjoying other novels"

Nassim Taleb: "This is something very hard to find, almost by definition: a literary writer who thinks in abstract terms"

Melinda Gates mentioned this book as one of her 11 favorite books.

Elon Musk: "Congrats to Talulah Riley on her novel, 'Acts of Love'! All characters – even those based on real people – are entirely fictional"

Elon Musk: "Have recently come to appreciate the awesome, absurdist humor of Waiting for Godot. We so often wait, without knowing why, when or where."

Elon Musk: "Worth reading The Machine Stops, an old story by E. M. Forster"

Tim Ferriss: "Highly recommended if you work with the written word in any capacity."

Tim Ferriss: "It’s fantastic."

Tim Ferriss: "Fantastic book."

Tim Ferriss: "I highly, highly recommend [Zorba The Greek]."

Tim Ferriss: "A fun read with lots of geek culture, great history, and oh, it also won the Pulitzer Prize."

Tim Ferriss: "I’ve been eager to revisit [Tim's] work, and I’m now digging into [this book]"

Tim Ferriss: "[A] dazzling collection of humor and insight."

Paul Graham: "Trollope's Autobiography is a wonderfully candid and inspiring one"

Paul Graham: "Few thoughts happier than realizing it's been long enough since you last read the Sherlocks Holmes stories that you can read them again."

Paul Graham's answer to 'What are your favourite books with a politics very different to your own?'

Paul Graham's answer to 'Examples of books that you reread years later, & found to be much better?'

Paul Graham's answer to 'Which P. G. Wodehouse book do you recommend?'

Paul Graham: "The writing in the novel Wodehouse left unfinished when he died at 93 is crisp as ever."

Fred Wilson: "That’s a good one!"

Fred Wilson: "Garp is one of my favorite books"

Fred Wilson recommends 'A Confederacy of Dunces' for entrepreneurs.

Fred Wilson recommends 'any and all of Shakespeare's tragedies and histories' for entrepreneurs.

One of Richard Branson's top books to read in a lifetime.

One of Richard Branson's top books to read in a lifetime.

One of Richard Branson's top books to read in a lifetime.

One of Richard Branson's top books to read in a lifetime.

One of Richard Branson's top books to read in a lifetime.

One of Richard Branson's top books to read in a lifetime.

One of Richard Branson's top books to read in a lifetime.

One of Richard Branson's top books to read in a lifetime.

One of Austen Allred's top five all-time recommended books.

Sheryl Sandberg: "[As a child] I wanted to be Meg Murry, the admittedly geeky heroine of 'A Wrinkle in Time,' by Madeleine L’Engle.

I loved how she worked with others to fight against an unjust system and how she fought to save her family against very long odds."

Kara Swisher: "I’m not a religious person but Markings really had an impact on me."

Kara Swisher: "I read over and over again, like three or four times a year. It’s so beautifully constructed. She’s so wise."

Kara Swisher: "[One] of my favorite books."

Kara Swisher: "Hearing her deliver these blue-flame insights, one after another, that are so exactly right on the internet landscape, inspires. Highly recommend."

Kara Swisher: "Another book I read again and again."

Seth Godin: "B is a simple poem from a mother to her daughter. And I have to confess, I get choked up every single time I read it.

If you’ve got a mother or if you’ve got a daughter, this is a great gift, a great book to share with them."

Tim Ferriss: "This is a how-to book. An excellent how-to book"

Tim Ferriss: "Hafiz is one of my favorites"

Steve Jobs: “I started to listen to music a whole lot, and I started to read more outside of just science and technology — Shakespeare, Plato. I loved ‘King Lear.'”

One of Steve Jobs' favorite books.

One of Steve Jobs' favorite books.

Raoul Pal enjoyed reading 'The Sheltering Sky'.

Jordan Peterson: "A book that I found particularly influential in my intellectual development."

Jordan Peterson: "A book that I found particularly influential in my intellectual development."

Jordan Peterson: "A book that I found particularly influential in my intellectual development."

Shane Parrish: "The collection of aphorisms and quotations from European literature is extensive for such a short work."

Patrick O'Shaughnessy: "There is no more readable or insightful philosopher than Schopenhauer.

This book covers just about everything, but I especially enjoyed the sections on reading, writing, and thinking."

Patrick O'Shaughnessy: "When I am feeling conventional (happens often), Emerson’s essay Self Reliance is my favorite antidote."

Patrick O'Shaughnessy: "The best fiction I read this year because I’ve never before so identified with a main character (Larry)."

Patrick O'Shaughnessy: "My favorite book about writing."

Patrick O'Shaughnessy: "A great take on what is worth reading and what is worth writing."

Shane Parrish: "Offers a glimpse into the hearts and minds of some of American history’s most admired figures."

Shane Parrish: "Especially fascinating because I haven’t read any of his writing."

Shane Parrish: "I’m suddenly finding old letters a lot more interesting than I would have imagined."

Shane Parrish: "A.O. Scott of the New York Times called DFW 'the best mind of his generation.'

This short book offers an intimate look at his thoughts on the state of modern culture, entertainment, adulthood, and literature."

Shane Parrish: "A lot of the poems were lost on me. The aphorisms, however, were well worth the price of the book."

Shane Parrish: "A short, yet important, book that I wish more people would read and think about."

Patrick O'Shaughnessy: "In the spirit of reading very broadly, I’d suggest this book of poetry."

Patrick O'Shaughnessy: "One of the most enjoyable Christmas presents I’ve ever received.

From Hunter S. Thompson’s brilliant life advice, to the never-used speech written in case of an Apollo 11 disaster, to the description of Aldous Huxley’s death (and final LSD trip), this book was full of surprises."

Bill Gates: "Allie Brosh’s memoir looks openly at depression. It’s also very funny."

Patrick O'Shaughnessy: "Highly recommend a read of TS Eliot’s four quartets for a meditation on [stillness]"