Let us try to teach generosity and altruism, because we are born selfish.
让我们尝试教导慷慨和利他主义，因为我们天生自私。
Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
The most important thing in communication is hearing what isn't said.
The road to success is always under construction.
如果你不坚持某些东西，你就会为任何事屈服。