Live with purpose. Don't let people or things around you get you down.
The wonder of nature does not become smaller because one cannot measure it by the standards of human moral and human aims.
Nuclear power is one hell of a way to boil water
It is difficult to say what truth is, but sometimes it is so easy to recognize a falsehood.
If you want to know the future, look at the past.
Only strong characters can resist the temptation of superficial analysis.