As we acquire knowledge, things do not become more comprehensible, but more mysterious.

We ought all to make an effort to act on our first thoughts and let our unspoken gratitude find expression. Then there will be more sunshine in the world, and more power to work for what is good.

At 20 everyone has the face that God gave them, at 40 the face that life gave them, and at 60 the face they earned.

Ideals are thoughts. So long as they exist merely as thoughts, the power in them remains ineffective.

Man is a clever animal who behaves like an imbecile.

Man can hardly even recognize the devils of his own creation.

It's not enough merely to exist. Every man has to seek in his own way to make his own self more noble and to relize his own true worth.