I shall leave the world without regret, for it hardly contains a single good listener.

Nothing can be more destructive to ambition, and the passion for conquest, than the true system of astronomy. What a poor thing is even the whole globe in comparison of the infinite extent of nature!

I feel nothing, apart from a certain difficulty in continuing to exist.

It is the passions that do and undo everything.

A well-cultivated mind is, so to speak, made up of all the minds of preceding ages; it is only one single mind which has been educated during all this time.

Neatness is a crowning grace of womanhood.

They will have the World to be in Large, what a Watch is in Small; which is very regular, and depends only upon the just disposing of the several Parts of the Movement.