Mere goodness can achieve little against the power of nature.

The History of the world is not the theatre of happiness. Periods of happiness are blank pages in it, for they are periods of harmony--periods when the antithesis is in abeyance.

In a true tragedy, both parties must be right.

In the case of various kinds of knowledge, we find that what in former days occupied the energies of men of mature mental ability sinks to the level of information, exercises, and even pastimes for children; and in this educational progress we can see the history of the world's culture delineated in faint outline.

What history teaches us is that neither nations nor governments ever learn anything from it.

To be aware of limitations is already to be beyond them.

Animals are in possession of themselves; their soul is in possession of their body. But they have no right to their life, because they do not will it.