This is a lesson mankind has not yet learned. We identify, and stratify, and treat persons largely on the basis of their accidental (physical) characteristics, which have no deeper meaning.

At it's highest level, the purpose of teaching is not to teach—it is to inspire the desire for learning. Once a student's mind is set on fire, it will find a way to provide its own fuel.

Skepticism is not an end in itself; it is a tool for the discovery of truths.

It's odd, and a little unsettling, to reflect upon the fact that English is the only major language in which "I" is capitalized; in many other languages "You" is capitalized and the "i" is lower case." --

The pessimist sees only the tunnel; the optimist sees the light at the end of the tunnel; the realist sees the tunnel and the light - and the next tunnel.

Men make counterfeit money; in many more cases, money makes counterfeit men.

The greatest enemy of progress is not stagnation, but false progress.