What's a philosopher?' said Brutha. Someone who's bright enough to find a job with no heavy lifting,' said a voice in his head. - Terry Pratchett

"Albert grunted. "Do you know what happens to lads who ask too many questions?"
Mort thought for a moment.
"No," he said eventually, "what?"
There was silence.
Then Albert straightened up and said, "Damned if I know. Probably they get answers, and serve 'em right.

Nanny Ogg knew how to start spelling 'banana', but didn't know how you stopped.

I dare say that quite a few people have contemplated death for reasons that much later seemed to them to be quite minor. If we are to live in a world where a socially acceptable "early death" can be allowed, it must be allowed as a result of careful consideration. Let us consider me as a test case. As I have said, I would like to die peacefully with Thomas Tallis on my iPod before the disease takes me over and I hope that will not be for quite some time to come, because if I knew that I could die at any time I wanted, then suddenly every day would be as precious as a million pounds. If I knew that I could die, I would live. My life, my death, my choice.