The man who moves a mountain begins by carrying away small stones.
我畫的是被反射的光，而不是被接收的光。
The probability of a response is determined by its reinforcement history.
Life is growth. You grow or you die.
——臨終時(shí)對(duì)孔祥熙說，1925年3月
海洋的健康直接關(guān)系到地球和我們子孫后代的健康。
你先喝一杯，然后酒喝一杯，然后酒把你帶走。