Each problem that I solved became a rule which served afterwards to solve other problems.

One never notices what has been done; one can only see what remains to be done.

At the center of your being you have the answer; you know who you are and you know what you want.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

Wise men speak because they have something to say; Fools because they have to say something.

What you're thinking is what you're becoming.

Those who see the invisible can do the impossible.

Experience is the only prophecy of wise men.

If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.

Whatever it is you're seeking won't come in the form you're expecting.

Act enthusiastic and you will be enthusiastic

When you undervalue what you do, the world will undervalue who you are

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

Better mad with the rest of the world than wise alone.

In the practice of tolerance, one's enemy is the best teacher.

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

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

Time flies over us, but leaves its shadow behind.

The object of the superior man is truth.

This is something basic to be understood: the ego must come to a peak, it must be strong, it must have attained an integrity only then can you dissolve it.

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.