Dissipation is a form of self-sacrifice.

There would be no society if living together depended upon understanding each other.

It is when power is wedded to chronic fear that it becomes formidable.

A soul that is reluctant to share does not as a rule have much of its own. Miserliness is here a symptom of meagerness.

Compassion is the antitoxin of the soul: where there is compassion even the most poisonous impulses remain relatively harmless.

One word characterizes the most strenuous of the efforts for the advancement of science that I have made perservereingly during fifty-five years; that word is failure

Nature attains perfection, but man never does.