Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win.

Sun-tzu

There is only one good, knowledge, and one evil, ignorance.

Socrates

It is a great thing to know the season for speech and the season for silence.

Seneca

The most wasted of all days is one without laughter.

e e cummings

We make a living by what we get, we make a life by what we give.

Sir Winston Churchill

The wise are instructed by reason; ordinary minds by experience; the stupid, by necessity; and brutes by instinct.

Cicero

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

Aristotle

Those who cannot remember the past are condemned to repeat it.

George Santayana