Self-Interest

是什么支撑起了道德?

道德是否像一座斜塔,随着楼层的增加而增加?如果是这样,如何支撑这座塔,尤其是考虑到自我牺牲的利他行为,一种位于塔顶的行为?

How to Keep Your 2018 Resolutions

Hint: It's not about willpower.