Salt water when it turns into vapour becomes sweet, and the vapour does not form salt water when it condenses again. This I know by experiment. The same thing is true in every case of the kind: wine and all fluids that evaporate and condense back into a liquid state become water. They all are water modified by a certain admixture, the nature of which determines their flavour.

If what was said in the Ethics is true, that the happy life is the life according to virtue lived without impediment, and that virtue is a mean, then the life which is in a mean, and in a mean attainable by every one, must be the best. And the same principles of virtue and vice are characteristic of cities and of constitutions; for the constitution is in a figure the life of the city.

The quality of life is determined by its activities.

A right election can only be made by those who have knowledge.

We must not feel a childish disgust at the investigations of the meaner animals. For there is something marvelous in all natural things.

To be conscious that we are perceiving or thinking is to be conscious of our own existence.

The basis of a democratic state is liberty