Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged.
“Don't speak evil of someone if you don't know for certain, and if you do know ask yourself, why am I telling it?”
“A jealous lover of human liberty, deeming it the absolute condition of all that we admire and respect in humanity, I reverse the phrase of Voltaire, and say that, if God really existed, it would be necessary to abolish him.”