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。