Men become richer not only by increasing their existing wealth but also by decreasing their expenditure.

All men by nature desire knowledge.

By 'life,' we mean a thing that can nourish itself and grow and decay.

It is the mark of an educated mind to expect that amount of exactness which the nature of the particular subject admits. It is equally unreasonable to accept merely probable conclusions from a mathematician and to demand strict demonstration from an orator.

In a race, the quickest runner can never overtake the slowest, since the pursuer must first reach the point whence the pursued started, so that the slower must always hold a lead.

These virtues are formed in man by his doing the actions ... The good of man is a working of the soul in the way of excellence in a complete life.

Men are divided between those who are as thrifty as if they would live forever, and those who are as extravagant as if they were going to die the next day.