All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

Man can only endure a certain degree of unhappiness; what is beyond that either annihilates him or passes by him and leaves him apathetic

Everything we do has a result. But that which is right and prudent does not always lead to good, nor the contrary to what is bad.

I wait for the morning of my tears

To think is easy. To act is difficult. To act as one thinks is the most difficult.

Hold your powers together for something good and let everything go that is for you without result and is not suited to you.

Time is a strange thing. It is a whimsical tyrant, which in every century has a different face for all that one says and does.