I have heard myself accused of being an opponent, an enemy of mathematics, which no one can value more highly than I, for it accomplishes the very thing whose achievement has been denied me.

Nothing can be compared to the new life that the discovery of another country provides for a thoughtful person. Although I am still the same I believe to have changed to the bones.

No sacred fane requires us to submit to insult.

Death is a commingling of eternity with time; in the death of a good man, eternity is seen looking through time.

The happy do not believe in miracles.

The safest thing is always to try to convert everything that is in us and around us into action; let the others talk and argue about it as they please.

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.