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In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection

Men are never very wise and select in the exercise of a new power

One of the tremendous evils of the world, is the monstrous accumulation of power in a few hands

Youth is the period in which a man can be hopeless. The end of every episode is the end of the world. But the power of hoping through everything, the knowledge that the soul survives its adventures, that great inspiration comes to the middle-aged.

Words are, of course, the most powerful drug used by mankind.

There is nothing with which every man is so afraid as getting to know how enormously much he is capable of doing and becoming