The snake has to shed his skin before he can grow.
好奇心是每一次重大科学进步背后的驱动力。
每个个体改善自身状况的自然努力,当在自由和安全的情况下得以发挥时,是如此强大,以至于它不仅能够独自,不受任何协助,推动社会走向富裕和繁荣,而且能够克服往往由愚蠢的人类法律造成的百般妨碍。
"Silence is the perfectest herald of joy: I were but little happy, if I could say how much."