Nothing comes to pass in nature, which can be set down to a flaw therein; for nature is always the same, and everywhere one and the same in her efficacy and power of action: that is, nature's laws and ordinances, whereby all things come to pass and change from one form to another, are everywhere and always the same; so that there should be one and the same method of understanding the nature of all things whatsoever, namely, through nature's universal laws and rules.

I do not presume that I have found the best philosophy, I know that I understand the true philosophy.

Statesman are suspected of plotting against mankind, rather than consulting their interests, and are esteemed more crafty than learned.

Superstition, then, is engendered, preserved, and fostered by fear.

Many errors, of a truth, consist merely in the application of the wrong names of things. For if a man says that the lines which are drawn from the centre of the circle to the circumference are not equal, he understands by the circle, at all events for the time, something else than mathematicians understand by it.

The more clearly you understand yourself and your emotions, the more you become a lover of what is.

Whatsoever is, is in God.