Mathematicians are like lovers. Grant a mathematician the least principle, and he will draw from it a consequence which you must also grant him, and from this consequence another.

It is the passions that do and undo everything.

I hate war, for it spoils conversation.

It is beauty that begins to please, and tenderness that completes the cbarm.

Neatness is a crowning grace of womanhood.

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.

If I held all the thoughts of the world in my hand, I would be careful not to open it.