I asked myself childish questions and proceeded to answer them.

The formulation of the problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.

Of what significance is one's existence, one is basically unaware. What does a fish know about the water in which he swims all his life? The bitter and the sweet come from outside. The hard from within, from one's own efforts. For the most part I do what my own nature drives me to do. It is embarrassing to earn such respect and love for it.

Remember today, for it is the beginning of always. Today marks the start of a brave new future filled with all your dreams can hold. Think truly to the future and make those dreams come true.

The man who regards his own life and that of his fellow-creatures as meaningless is not merely unfortunate but almost disqualified for life.

The only rational way of educating is to be an example. If one can't help it, a warning example.

The measure of intelligence is the ability to change.