In fact, we started off with two or three different shells and the shell had life of its own.

One of my most productive days was throwing away 1,000 lines of code.

It is only the inadequacy of the criminal code that saves the hackers from very serious prosecution.

When in doubt, use brute force.

It's always good to take an orthogonal view of something. It develops ideas.

If you want to go somewhere, goto is the best way to get there.

We have persistent objects, they're called files.

You can't trust code that you did not totally create yourself.

I think the major good idea in Unix was its clean and simple interface: open, close, read, and write.

No amount of source-level verification or scrutiny will protect you from using untrusted code.

SCCS, the source motel! Programs check in and never check out!

May you have the hindsight to know where you've been, The foresight to know where you are going, And the insight to knowwhen you have gone too far

No doing without some ruing.

I have this really high priority on happiness and finding something to be happy about.

I always had a desire to know asylum life more thoroughly - a desire to be convinced that the most helpless of God's creatures, the insane, were cared for kindly and properly.

What separates us is that we expect to be great.

You do not destroy an idea by killing people, you replace it with a better one.

My favorite vegetable is the marshmallow.

I find no quality so easy for a man to counterfeit as devotion, though his life and manner are not conformable to it; the essence of it is abstruse and occult, but the appearances easy and showy.

A primary reason for my success in the classroom was that I couldn't forget that schooling was changing me and separating me from the life I enjoyed before becoming a student.

Silence is only commendable In a neat's tongue dried, and a maid not vendible.