One must not attempt to justify them, but rather to sense their nature >>
It is strange to be known so universally and yet to be so lonely. >>
Two things are infinite: the universe and human stupidity; and I'm not >>
Daring ideas are like chessmen moved forward. They may be beaten, but >>
Ideas move fast when their time comes. >>
The greatest achievements of the human mind are generally received wit >>
They come into being not through demonstration but through revelation, through the medium of powerful personalities.