Young people: I understand this is important to you, but as you be thinking about climate change, the economy and jobs, war and peace, maybe way at the bottom you should be thinking about marijuana.
When you get free from certain fixed concepts of the way the world is, you find it is far more subtle, and far more miraculous, than you thought it was.
The dialectic between change and continuity is a painful but deeply instructive one, in personal life as in the life of a people.To "see the light" too often has meant rejecting the treasures found in darkness.
The theory that can absorb the greatest number of facts, and persist in doing so, generation after generation, through all changes of opinion and detail, is the one that must rule all observation.