Humans are communications junkies. We just can't get enough.

If you're not failing 90% of the time, then you're probably not working on sufficiently challenging problems.

The protean nature of the computer is such that it can act like a machine or like a language to be shaped and exploited.

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.

The tree of research must be fed from time to time with the blood of bean-counters, for it is its natural manure.

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.

The computer is simply an instrument whose music is ideas.