A LISP programmer knows the value of everything, but the cost of nothing.

It is better to have 100 functions operate on one data structure than to have 10 functions operate on 10 data structures.

To understand a program, you must become both the machine and the program.

You can measure a programmer's perspective by noting his attitude on the continuing vitality of FORTRAN.

A picture is worth 10K words - but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures.

A language that doesn't affect the way you think about programming is not worth knowing.

Any noun can be verbed.