Belief gets in the way of learning.

From somewhere, back in my youth, heard Prof say, 'Manuel, when faced with a problem you do not understand, do any part of it you do understand, then look at it again.' He had been teaching me something he himself did not understand very well—something in math—but had taught me something far more important, a basic principle.

When you're rich, you don't have friends; you just have endless acquaintances.

Anyone who considers protocol unimportant has never dealt with a cat.

But goodness alone is never enough. A hard, cold wisdom is required for goodness to accomplish good. Goodness without wisdom always accomplishes evil.

The mind's ability to rationalize it's own shortcomings is unlimited; I am no exception.

To permit irresponsible authority is to sell disaster.