Love one another, but make not a bond of love: Let it rather be a moving sea between the shores of your souls.

Better mad with the rest of the world than wise alone.

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

Learn from the mistakes of others. You can never live long enough to make them all yourself.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

Wisdom begins at the end.

For we walk by faith, not by sight

Turn your wounds into wisdom.

It’s your road and yours alone. Others may walk it with you, but no one can walk it for you.

Boredom is the root of all evil - the despairing refusal to be oneself.

Thoughts without content are empty, intuitions without concepts are blind.

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

The heart has its reasons which reason knows not.

When prosperity comes, do not use all of it.

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

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

The more that you read, the more things you will know. The more that you learn, the more places you'll go.

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

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

Every act of creation is first an act of destruction.

Moderation in temper is always a virtue; but moderation in principle is always a vice.