Mathematics is the queen of disciplines.... it will drive the nonsense out of your head!

And that which yesterday was the novel opinion of one man, to-day becomes the general opinion of the majority.

I have now understood that though it seems to men that they live by care for themselves, in truth it is love alone by which they live. He who has love, is in God, and God is in him, for God is love.

I do value my work awfully; but in reality only consider this: all this world of ours is nothing but a speck of mildew, which has grown up on a tiny planet. And for us to suppose we can have something great - ideas, work - it's all dust and ashes.

Seize the moment of happiness... love and be loved.

I ask one thing only: I ask for the right to hope, to suffer as I do. But if even that cannot be, command me to disappear, and I disappear. You shall not see me if my presence is distasteful to you.

The march of humanity, springing as it does from an infinite multitude of individual wills, is continuous.