【释义】抓住时机不要懈怠，因为机会一旦错过就不会再来。
Go for it now. The future is promised to no one.
The best management is a true science, resting upon clearly defined laws, rules, and principles.
世界上没有压力，只有人们在想着有压力的想法。
The best way to learn econometrics is by doing—working with real data and real problems.
El arte es la única forma de escapar de la monotonía de la vida.
领导力就是做出今天艰难的决定，造福下一代。