我们必须记住，在自然界中既没有奖励也没有惩罚——只有后果。
We must remember that in nature there are neither rewards nor punishments—there are consequences.
"Human behavior is the product of evolved psychological mechanisms that process information from the environment."
A leader's legacy is measured by the sustainability of their actions.
译文：纵览历史，凡是贤明的国和家，成功源于勤俭，衰败起于奢华。赏析：节俭不是吝啬，是对钱财的合理利用。不管何时，我们都要有忧患意识，保持俭朴的作风。