The only real mistake is the one from which we learn nothing.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

Man is the only creature who refuses to be what he is.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

Act enthusiastic and you will be enthusiastic

Whatever the mind of man creates, should be controlled by man's character

Time wounds all heels.

Don't criticize what you don't understand, son. You never walked in that man's shoes.

Judge not unless you judge yourself.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Tell the truth. Sing with passion. Work with laughter. Love with heart. 'Cause that's all that matters in the end.

I don't know, I don't care, and it doesn't make any difference.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Adapt what is useful, reject what is useless, and add what is specifically your own.

The lie is a condition of life.

The best way to see Faith is to shut the eye of Reason.

It is tact that is golden, not silence.

Take care of the pieces well. The whole will take care of itself.

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

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Tomorrow hopes we have learned something from yesterday.