The greatest minds are capable of the greatest vices as well as of the greatest virtues.

It is not the strength, but the duration, of great sentiments that makes great men.

Instinct is a marvellous thing. It can neither be explained nor ignored.

Be realistic: Plan for a miracle

The road of excess leads to the palace of wisdom.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

No one cares how much you know, until they know how much you care

Nothing is so strong as gentleness, nothing so gentle as real strength

Every act of creation is first an act of destruction.

Experience is merely the name men gave to their mistakes.

Creativity is the greatest rebellion in existence.

The impossible could not have happened, therefore the impossible must be possible in spite of appearances.

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

Wisdom begins at the end.

Experience keeps a dear school, but fools will learn in no other.

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

Courage is resistance to fear, mastery of fear - not absence of fear.

The simple things are also the most extraordinary things, and only the wise can see them.

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

Knowledge speaks, but wisdom listens

We seldom realize, for example that our most private thoughts and emotions are not actually our own. For we think in terms of languages and images which we did not invent, but which were given to us by our society.