Spend each day trying to be a little wiser than you were when you woke up.Discharge your duties faithfully and well.Systematically you get ahead, but not necessarily in fast spurts...At the end of the day if you live long enough most people get what they deserve.

可持续性不是一种趋势，而是我们对下一代的责任。

试管婴儿的成功证明了科学家和临床医生之间合作的力量。