No onecan persuade another to change. Each of us guards a gate of change that canonly be opened from the inside. We cannot open the gate of another, either byargument or emotional appeal.

Asingle conversation with a wise man is better than ten years of study.

Onlyfree men can negotiate. Prisoners cannot enter into contracts. Your freedomand mine cannot be separated.

We think too small. Like the frog at the bottom of the well. He thinks the sky is only as big as the top of the well. If he surfaced, he would have an entirely different view.

Nature hasgiven men one tongue and two ears, that we may hear twice as much as wespeak.

People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...

Man must not check reason by tradition, but must check tradition by reason.

Philosophy may describe unreason, as it may describe force; it cannot hope to refute them.

The young man knows the rules, but the old man knows the exceptions.

Religion is behaviour and not mere belief.

Be your own judge and you will be happy.

All bravery stands upon comparisons.