If you don't want to slip up tomorrow, speak the truth today.

Experience is the only prophecy of wise men.

Without courage, wisdom bears no fruit.

Think globally, act locally.

It takes a great man to be a good listener.

Nobody made a greater mistake than he who did nothing because he could do only a little.

Fine clothes may disguise, but silly words will disclose a fool.

To be wronged is nothing unless you continue to remember it.

A friend to all is a friend to none

All differences in this world are of degree, and not of kind, because oneness is the secret of everything.

Judge not unless you judge yourself.

Obsession is the wellspring of genius and madness.

You are not a drop in the ocean. You are the entire ocean, in a drop.

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

Great dreams of great dreamers are always transcended.

No one can make you feel inferior without your consent.

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

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

Intelligence is the ability to adapt to change.

Simplicity is the ultimate sophistication.

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