To Understand A Program, You

It Is Better To Have 100 Functions Operate On One Data Structure Than To Have 10 Functions Operate On 10 Data Structures.

There Is No Such Thing As A Free Variable.

A Good Programming Language Is A Conceptual Universe For Thinking About Programming.

Once You Understand How To Write A Program Get Someone Else To Write It.

Often It Is The Means That Justify The Ends: Goals Advance Technique And Technique Survives Even When Goal Structures Crumble.