The only real laughter comes from despair.

I think, therefore I am.

Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.

Respect yourself if you would have others respect you.

Simplicity is the ultimate sophistication.

The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.

Beauty is not in the face; beauty is a light in the heart.

The more that you read, the more things you will know. The more that you learn, the more places you'll go.

Proverbs are short sentences drawn from long experience.

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.

The greatest of all mistakes is to do nothing because you think you can only do a little

It is tact that is golden, not silence.

All great achievements require time.

If you have no problems, then you have no clue to what is going.

The only limit to our realization of tomorrow will be our doubts of today.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

Circumstances do not make a man, they reveal him.

Wonder is the beginning of wisdom.

Do not pray for an easy life, pray for the strength to endure a difficult one.

Where wisdom reigns, there is no conflict between thinking and feeling.

Men become wise just as they become rich, more by what they save than by what they receive.