译文：高兴欣喜之时不要轻易向其他人许诺，生气愤怒之时不要和其他人争执说话。赏析：人在情绪波动之时，做出的任何抉择往往都是错误的。人只有在心平气和之下，才能非常理性地做出选择。

Every building has at least two lives - the one imagined by its maker and the life it lives afterward.

The world is a place of the living, and the dead have no place in it.

The most important thing is to be able to think like an economist, to see the world through that lens.

政府不应该涉足商业。