If we glance at the most important revolutions in history, we see at once that the greatest number of these originated in the periodical revolutions of the human mind.

To judge a man means nothing more than to ask: What content does he give to the form of humanity? What concept should we have of humanity if he were its only representative?

It is continued temperance which sustains the body for the longest period of time, and which most surely preserves it free from sickness.

Faith can be interested in results only, for a truth once recognized as such puts an end to the believer's thinking.

I lay very little stress either upon asking or giving advice. Generally speaking, they who ask advice know what they wish to do, and remain firm to their intentions. A man may allow himself to be enlightened on various points, even upon matters of expediency and duty; but, after all, he must determine his course of action, for himself.

The very variety arising from the union of numbers of individuals is the highest good which social life can confer, and this variety is undoubtedly lost in proportion to the degree of State interference.

The price of apparent happiness and enjoyment is the neglect of the spontaneous active energies of the acting members.