Nowadays, for the sake of the advantage which is to be gained from the public revenues and from office, men want to be always in office.

If everything when it occupies an equal space is at rest, and if that which is in locomotion is always occupying such a space at any moment, the flying arrow is therefore motionless.

Women should marry when they are about eighteen years of age, and men at seven and thirty; then they are in the prime of life, and the decline in the powers of both will coincide.

Great is the good fortune of a state in which the citizens have a moderate and sufficient property.

Now, the causes being four, it is the business of the student of nature to know about them all, and if he refers his problems back to all of them, he will assign the "why" in the way proper to his science-the matter, the form, the mover, that for the sake of which.

The excellence of a thing is related to its proper function.

The roots of education are bitter, but the fruit is sweet.