Rational discussion is useful only when there is a significant base of shared assumptions.

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Respect yourself if you would have others respect you.

Never ruin an apology with an excuse.

I think, therefore I am.

No man has any natural authority over his fellow men.

Why fit in when you were born to stand out?

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

If you do not know the laws of right conduct, you cannot form your character.

The ultimate authority must always rest with the individual's own reason and critical analysis.

One just needs a little alertness to see and find out: Life is really a great cosmic laughter.

We must live together as brothers or perish together as fools.

Blessed are they who hunger and thirst for righteousness for they shall be satisfied.

The smaller the mind, the greater the conceit.

Wisdom... comes not from age, but from education and learning.

Never pick a fight with an ugly person, they've got nothing to lose.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Let him who would move the world first move himself.

The weak can never forgive. Forgiveness is the attribute of the strong.

The absent are never without fault, nor the present without excuse.