There is nothing divine about morality, it is a purely human affair.
Science is a wonderful thing if one does not have to earn one's living at it.
Don't listen to the person who has the answers; listen to the person who has the questions.
One must console oneself with the thought that time has a sieve through which most of these important things run into the ocean of oblivion and what remains after this selection is often still trite and bad.
If you can't explain something simply, you don't know enough about it.
My deep religiosity [...] found an abrupt ending at the age of twelve, through the reading of popular scientific books.