That which is in locomotion must arrive at the half-way stage before it arrives at the goal.

In educating the young we steer them by the rudders of pleasure and pain

Anaximenes and Anaxagoras and Democritus say that its [the earth's] flatness is responsible for it staying still: for it does not cut the air beneath but covers it like a lid, which flat bodies evidently do: for they are hard to move even for the winds, on account of their resistance.

The Eyes are the organs of temptation, and the Ears are the organs of instruction.

The same thing may have all the kinds of causes, e.g. the moving cause of a house is the art or the builder, the final cause is the function it fulfils, the matter is earth and stones, and the form is the definitory formula.

It is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician demonstrative proofs.

Melancholy men, of all others, are the most witty.