Science and technology have freed humanity from many burdens and given us this new perspective and great power. This power can be used for the good of all. If wisdom governs our actions; but if the world is mad or foolish, it can destroy itself just when great advances and triumphs are almost without its grasp.

The person who runs away exposes himself to that very danger more than a person who sits quietly.

The purely agitational attitude is not good enough for a detailed consideration of a subject.

We live in a wonderful world that is full of beauty, charm and adventure.

It is far better to know our own weaknesses and failures than to point out those of others.

Facts are facts and will not disappear on account of your likes.

A great disaster is a symbol to us to remember all the big things of life and forget the small things, of which we have thought too much.