When Fortune comes, seize her in front with a sure hand, because behind she is bald.

If you do not rest on the good foundation of nature, you will labour with little honor and less profit.

The lover is moved by the thing loved, as the sense is by that which perceives, and it unites with it and they become one and the same thing... when the lover is united with the beloved it finds rest there; when the burden is laid down there it finds rest.

A man was desired to rise from bed because the sun was already up. He replied: "If I had as far to go and as much to do as he has, I should be up by now; but having but a little way to go, I shall not get up yet."

I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.

Ask advice of him who governs himself well.

No human investigation can claim to be scientific if it doesn't pass the test of mathematical proof.