Every heart sings a song, incomplete, until another heart whispers back. Those who wish to sing always find a song. At the touch of a lover, everyone becomes a poet.

It is proper for every one to consider, in the case of all men, that he who has not been a servant cannot become a praiseworthy master; and it is meet that we should plume ourselves rather on acting the part of a servant properly than that of the master, first, towards the laws, (for in this way we are servants of the gods), and next, towards our elders.

There still remain three studies suitable for free man. Arithmetic is one of them.

Seven years of silent inquiry are needful for a man to learn the truth, but fourteen in order to learn how to make it known to his fellow-men.

Mathematics is like draughts in being suitable for the young, not too difficult, amusing, and without peril to the state.

Man is a prisoner who has no right to open the door of his prison and run away... A man should wait, and not take his own life until God summons him.

All things will be produced in superior quantity and quality, and with greater ease, when each man works at a single occupation, in accordance with his natural gifts, and at the right moment, without meddling with anything else.