Gravity is only the bark of wisdom's tree; but it preserves it
Nature is pleased with simplicity. And nature is no dummy
A person reveals his character by nothing so clearly as the joke he resents.
A man may imagine things that are false, but he can only understand things that are true.
Men build too many walls and not enough bridges.
Tact is the knack of making a point without making an enemy.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.
You are braver than you believe, stronger than you seem, and smarter than you think.
Love make us poets, and the approach of death should make us philosophers.
Don't raise your voice, improve your argument.
Stubborn and ardent clinging to one's opinion is the best proof of stupidity.
To a wise and good man the whole earth is his fatherland.
Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.
Energy may be likened to the bending of a crossbow; decision,to the releasing of a trigger.
Be sure you put your feet in the right place, then stand firm.
The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.
True knowledge lies in knowing how to live.
In anger we should refrain both from speech and action.
It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.
He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.