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

It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

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

Do not say a little in many words, but a great deal in few!

Compassion is the basis of morality.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

Love make us poets, and the approach of death should make us philosophers.

Be realistic: Plan for a miracle

Wisdom begins at the end.

Those who can not change their minds can not change anything.

You place too much importance... on the so-called purity of blood! You fail to recognize that it matters not what someone is born, but what they grow to be!

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

Simplicity is the ultimate sophistication.

I dream. Sometimes I think that's the only right thing to do.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

Every aquarium will eventually leak.

He alone is free who lives with free consent under the entire guidance of reason.

Be silent or let thy words be worth more than silence.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.