A neurosis is a secret that you don't know you are keeping.
Go often to the house of thy friend; for weeds soon choke up the unused path.
Is there life before death?
One of the best rules in conversation is, never to say a thing which any of the company can reasonably wish had been left unsaid.
You've achieved success in your field when you don't know whether what you're doing is work or play.
You always pass failure on the way to success.
The summer night is like a perfection of thought.
As a scientist, I am not sure anymore that life can be reduced to a class struggle, to dialectical materialism, or any set of formulas. Life is spontaneous and it is unpredictable, it is magical. I think that we have struggled so hard with the tangible that we have forgotten the intangible.
The coldest winter I ever spent was a summer in San Francisco.