We are not to consider the world as the body of God: he is an uniform being, void of organs, members, or parts; and they are his creatures, subordinate to him, and subservient to his will.

The description of right lines and circles, upon which geometry is founded, belongs to mechanics. Geometry does not teach us to draw these lines, but requires them to be drawn.

We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.

Atheism is so senseless and odious to mankind that it never had many professors.

To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.

I do not feign hypotheses.

Errors are not in the art but in the artificers.