Intelligent life on other planets? I'm not even sure there is on earth!
This is too difficult for a mathematician. It takes a philosopher. The hardest thing in the world to understand is the income tax.
Don't wait for miracles, your whole life is a miracle.
The man of science is a poor philosopher.
There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there.
The most incomprehensible thing about the world is that it is comprehensible.