Whatever there is of God and goodness in the universe, it must work itself out and express itself through us. We cannot stand aside and let God do it.

It is also a natural thing for a serious young man that he should form for himself as precise an idea as possible of the goal of his desires.

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

The flag is a symbol of the fact that man is still a herd animal.

Only strong characters can resist the temptation of superficial analysis.

I have not eaten enough of the tree of knowledge, though in my profession I am obligated to feed on it regularly.

Keep fighting until the last buzzer sounds.