Never to suffer would never to have been blessed.
成功绝非偶然,它来自努力、坚持、学习、钻研、牺牲,最重要的是热爱你所做的事。
"Adaptation is the key to understanding behavior."
"In the end, we are all alone, and that is the most terrifying truth of all."
——在遗嘱上签名后,对在病榻的同志们说,1925年3月11日