There are no ifs in life, only consequences and results.
Every time we teach a child something, we keep him from inventing it himself.
The greatest thing in life is to keep your mind young.
對(duì)我們未來(lái)最大的威脅是冷漠。
對(duì)人類行為的經(jīng)濟(jì)學(xué)方法并非其他方法的替代品，而是一種補(bǔ)充。