The virtues of the talk and the writings are the same.They come hot from a mind well stored with knowledge, searingly honest, humane, and quick to seize the unexpected but appropriate image of truth.

• 那种性别比例能在最大程度上增加一个个体所能拥有的后代数量，并因此能在最大程度上增加所传递到后代身上去的基因复制品的数量。