The Best Theory Is Inspired By Practice.

When Certain Concepts Of Tex Are Introduced Informally, General Rules Will Be Stated; Afterwards You Will Find That The Rules Aren't Strictly True. In General, The Later Chapters Contain More Reliable Information Than The Earlier Ones Do. The Author Feels That This Technique Of Deliberate Lying Will Actually Make It Easier For You To Learn The Ideas. Once You Understand A Simple But False Rule, It Will Not Be Hard To Supplement That Rule With Its Exceptions.

The Hardest Thing Is To Go To Sleep At Night, When There Are So Many Urgent Things Needing To Be Done. A Huge Gap Exists Between What We Know Is Possible With Today's Machines And What We Have So Far Been Able To Finish.

I Decry The Current Tendency To Seek Patents On Algorithms. There Are Better Ways To Earn A Living Than To Prevent Other People From Making Use Of One's Contributions To Computer Science.

Science Is Knowledge Which We Understand So Well That We Can Teach It To A Computer; And If We Don't Fully Understand Something, It Is An Art To Deal With It.

The Psychological Profiling [of A Programmer] Is Mostly The Ability To Shift Levels Of Abstraction, From Low Level To High Level. To See Something In The Small And To See Something In The Large.