Since belief is measured by action, he who forbids us to believe religion to be true, necessarily also forbids us to act as we should if we did believe it to be true.

I take it that no man is educated who has never dallied with the thought of suicide.

It is your friends who make your world.

The self-same atoms which, chaotically dispersed, made the nebula, now, jammed and temporarily caught in peculiar positions, form our brains; and the 'evolution' of brains, if understood, would be simply the account of how the atoms came to be so caught and jammed.

Whenever you're in conflict with someone, there is one factor that can make the difference between damaging your relationship and deepening it. That factor is attitude.

The most immutable barrier in nature is between one man's thoughts and another's.

Impulse without reason is enough, and reason without impulse is a poor makeshift.