Tom Stoppard

When I was younger, I could do something useful just by being free for half a day, but now I need five days to get the world I've left out of my head and ten days or a fortnight not talking to anyone to hold what I need to hold inside my head.

The orthodox believers in God are divided into two camps, one of which maintains that the existence of God is as demonstrable as any mathematical proposition, while the other asserts that his existence is not demonstrable to the intellect.