A man should look for what is, and not for what he thinks should be. >>
Most of the fundamental ideas of science are essentially simple, and m >>
A human being is part of the whole, called by us 'universe,' a part li >>
When I am attacked by gloomy thoughts, nothing helps me so much as run >>
Modern man likes to pretend that his thinking is wide-awake. But this >>
If we are not ashamed to think it, we should not be ashamed to say it. >>
We shall require a substantially new manner of thinking if mankind is to survive.