There will be no propriety in the spectacle of an elegant interior approached by a low mean entrance.

Pytheos made a mistake by not observing that the arts are each composed of two things, the actual work and the theory of it. One of these, the doing of the work, is proper to men trained in the individual subject, while the other the theory is common to all scholars.

The thickness of the walls should be sufficient for two armed men to pass each other with ease.

Wind is a floating wave of air, whose undulation continually varies.

There are also kinds of water that cause death, as they run through harmful juices in the soil and become poisonous.

Some people do indeed say that Eratosthenes could not have inferred the true measure of the earth. Whether true or untrue, it cannot affect the truth of what I have written on the fixing of the quarters from which the different winds blow.

Consistency is found in that work whose whole and detail are suitable to the occasion. It arises from circumstance, custom, and nature.