the thesis in the book is that computers need to understand human emotions just the way people do. I read the book and I was just fascinated by this idea. I made that my research topic and it became my obsession and it just really changed the trajectory of my life.

In history I decided to begin with Gibbon. Someone had told me that my father had read Gibbon with delight; that he knew whole pages of it by heart, and that it had greatly affected his style of speech and writing. So without more ado I set out upon the eight volumes of Dean Milman's edition of Gibbon's Decline and Fall of the Roman Empire . I was immediately dominated both by the story and the style. All through the long glistening middle hours of the Indian day, from when we quitted stables till the evening shadows proclaimed the hour of Polo, I devoured Gibbon. I rode triumphantly through it from end to end and enjoyed it all.

That really crystallized for me what some really passionate founders who could write some code could do to change things, and this gave me the confidence to say, “You know what? They can do this. We can definitely do this.” ... So without a doubt, Reddit would not exist if it weren’t for Masters of Doom.

One of the historians here in Williamsburg talked about War and Peace. I had to read that in school. It was an inspiring, lengthy treatise. I read it twice. It taught me a lot about life. There was a marvelous book by Salinger called Catcher in the Rye. There was a book about discrimination called Gentleman's Agreement. These books I think helped shape my life. But to be honest with you, not one book stands out as the defining book for me.

Overthinking. I tend to conflate the amount of time spent on something with how good it is. Sometimes intuition is better than proof, and gut instinct better than hours of “work.”