The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd; indeed in view of the silliness of the majority of mankind, a widely spread belief is more likely to be foolish than sensible.

To write tragedy, a man must feel tragedy. To feel tragedy, a man must be aware of the world in which he lives. Not only with his mind, but with his blood and sinews.

The search for something permanent is one of the deepest of the instincts leading men to philosophy.

Some people would rather die than think.

All the conditions of happiness are realized in the life of the man of science.

In emancipation from the fears that beset the slave of circumstance he will experience a profound joy, and through all the vicissitudes of his outward life he will remain in the depths of his being a happy man.

All the time that he can spare from the adornment of his person, he devotes to the neglect of his duties.