We cannot predict the future, but we can invent it.

I think the trick with knowledge is to “acquire it, and forget all except the perfume” - because it is noisy and sometimes drowns out one's own “brain voices”. The perfume part is important because it will help find the knowledge again to help get to the destinations the inner urges pick.

I had the fortune or misfortune to learn how to read fluently starting at the age of three. So I had read maybe 150 books by the time I hit 1st grade. And I already knew that the teachers were lying to me.

The greatest single programming language ever designed

When the Mac first came out, Newsweek asked me what I [thought] of it. I said: Well, it's the first personal computer worth criticizing. So at the end of the presentation, Steve came up to me and said: Is the iPhone worth criticizing? And I said: Make the screen five inches by eight inches, and you'll rule the world.

In our society we have hard nerds and soft nerds. The hard nerds are the ones who used to have the slide rules at their belt; now they have calculators. The soft nerds are the ones who get violently ill whenever anybody mentions an integral sign.

The only way you can predict the future is to build it.