I was making a lot of momentous personal decisions. I was still very very young: when the prize was awarded, I was 33; the work I had done when I was 21.
That justice should be administered between men, it is necessary that testimonies of fact be alleged; and that witnesses should apprehend themselves greatly obliged to discover the truth, according to their conscience, in dark and doubtful cases.
The origin of the absurd idea of immortal life is easy to discover; it is kept alive by hope and fear, by childish faith, and by cowardice.

