LISP programmers know the value of everything and the cost of nothing.

Too many people today know the price of everything and the value of nothing.

Nothing that has value, real value, has no cost. Not freedom, not food, not shelter, not healthcare.

If you know something, you know what you don't. If you don't know anything, you might think you know everything.

In computing, turning the obvious into the useful is a living definition of the word 'frustration'.

Computer Science is embarrassed by the computer.