Great deeds are usually wrought at great risks.

The moment eternal—just that and nothing more.

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

人的心胸欲念多则狭窄，欲念少则心胸宽广；人的心境多欲则忙乱，少欲则悠闲；人的心术多欲则险恶，少欲则和平；人的心事多欲则忧愁，少欲则快乐；人心之气象，多欲则软弱，少欲则刚强。

Short-term gains should never come at the expense of long-term sustainability.