You must not think me necessarily foolish because I am facetious, nor will I consider you necessarily wise because you are grave.
Doubt 'til thou canst doubt no more...doubt is thought and thought is life. Systems which end doubt are devices for drugging thought.
The first duty of a revolutionary is to get away with it.
A chess genius is a human being who focuses vast, little-understood mental gifts and labors on an ultimately trivial human enterprise.
You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.
I got up the third step and reached for the fourth, but it wasn't there.
A man is too apt to forget that in this world he cannot have everything. A choice is all that is left him.