Confidence is contagious. So is lack of confidence.
Good advice is always certain to be ignored, but that's no reason not to give it.
Rational discussion is useful only when there is a significant base of shared assumptions.
Don't criticize what you can't understand.
Moderation in temper is always a virtue; but moderation in principle is always a vice.
Let no man pull you low enough to hate him.
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
Strength does not come from physical capacity. It comes from an indomitable will.
Act as if the maxim of your action were to become through your will a general natural law
If we don't believe in freedom of expression for people we despise, we don't believe in it at all.
Great acts are made up of small deeds.
One just needs a little alertness to see and find out: Life is really a great cosmic laughter.
Those who can not change their minds can not change anything.
By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.
There's no sense in being precise when you don't even know what you're talking about.
A single lie destroys a whole reputation of integrity.
Take care of the pieces well. The whole will take care of itself.
Gravity is only the bark of wisdom's tree; but it preserves it
Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.
We thought that we had the answers, it was the questions we had wrong.
Time wounds all heels.