Self-love， then， is a necessary principle of action.
因此，自爱是行动的必要原则。
Success is measured not just by profit, but by the positive impact we create.
The best art is honest art.
最好的报复就是巨大的成功。
The more you know, the more you realize you don't know.
最好的经济研究往往是跨学科的。