“The rung of a ladder was never meant to rest upon, but only to hold a man’s foot long enough to enable him to put the other somewhat higher.”
— Thomas Huxley, English biologist
梯子的梯級從來就不是拿來作停留用的，而是用來暫時支撐一個人的腳好讓他的另一隻腳能夠再抬更高。
— 湯瑪斯．赫胥黎（英國生物學家）
欲上層樓
A+A-
