A little knowledge is a dangerous thing. So is a lot.

Between the difficulties, one hides the opportunity

If you want different results, do not do the same things.

This has been done elegantly by Minkowski; but chalk is cheaper than grey matter, and we will do it as it comes.

Solitude is painful when one is young, but delightful when one is more mature.

All that's different about me is that I still ask the questions most people stopped asking at age five.

The desire for guidance, love, and support prompts men to form the social or moral conception of God. This is the God of Providence, who protects, disposes, rewards, and punishes; the God who, according to the limits of the believer's outlook, loves and cherishes the life of the tribe or of the human race, or even of life itself; the comforter in sorrow and unsatisfied longing; he who preserves the souls of the dead. This is the social or moral conception of God.