The stories are not autobiographical, but they're personal in that way. I seem to know only the things that I've learned. Probably some things through observation, but what I feel I know surely is personal.
因果推理的力量在于它允许我们预测我们从未采取的行动的效果。
The most hateful torment for men is to have knowledge of everything but power over nothing.
Profitability and environmental stewardship can—and must—go hand in hand.
