可持续性不是一种趋势，而是我们对后代的责任。

我相信科学具有改善人类生活的巨大潜力。

The theory of probabilities is at bottom nothing but common sense reduced to calculus.

Economic theory provides the tools, but real-world testing refines them.

幸福婚姻和痛苦婚姻的区别...在于大约十个持续的愚蠢或善良行为，取决于方向。