A work of morality, politics, criticism will be more elegant, other things being equal, if it is shaped by the hand of geometry.

I have lived one hundred years; and I die with the consolation of never having thrown the slightest ridicule upon the smallest virtue.

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

Neatness is a crowning grace of womanhood.

The Art of Flying is but newly invented, twill improve by degrees, and in time grow perfect; then we may fly as far as the Moon.

Behold a universe so immense that I am lost in it. I no longer know where I am. I am just nothing at all. Our world is terrifying in its insignificance.

An educated mind is, as it were, composed of all the minds of preceding ages.