Where there is an observatory and a telescope, we expect that any eyes will see new worlds at once.

If one hesitates in his path, let him not proceed. Let him respect his doubts, for doubts, too, may have some divinity in them.

It is a characteristic of wisdom not to do desperate things.

Why look in the dark for light?

I would remind my countrymen, that they are to be men first, and Americans only at a late and convenient hour. No matter how valuable law may be to protect your property, even to keep soul and body together, if it do not keep you and humanity together.

You must speak loud to those who are hard of hearing.

Nowadays almost all man's improvements, so called, as the building of houses and the cutting down of the forest and of all large trees, simply deform the landscape, and make it more and more tame and cheap.