Chemistry... is like the maid occupied with daily civilisation; she is busy with fertilisers, medicines, glass, insecticides ... for she dispenses the recipes.

The world is the book of women. Whatever knowledge they may possess is more commonly acquired by observation than by reading.

Once you teach people to say what they do not understand, it is easy enough to get them to say anything you like. v One could wish no easier death than that of Socrates, calmly discussing philosophy with his friends; one could fear nothing worse than that of Jesus, dying in torment, among the insults, the mockery, the curses of the whole nation. In the midst of these terrible sufferings, Jesus prays for his cruel murderers. Yes, if the life and death of Socrates are those of a philosopher, the life and death of Christ are those of a God.

We are born weak, we need strength; helpless, we need aid; foolish, we need reason. All that we lack at birth, all that we need when we come to man's estate, is the gift of education.

Two things, almost incompatible, are united in me in a manner which I am unable to understand: a very ardent temperament, lively and tumultuous passions, and, at the same time, slowly developed and confused ideas, which never present themselves until it is too late. One might say that my heart and my mind do not belong to the same person.

I have always said and felt that true enjoyment can not be described.

Jewish authors would never have invented either that style nor that morality; and the Gospel has marks of truth so great, so striking, so utterly inimitable, that the invention of it would be more astonishing than the hero.