The past is a foreign country; they do things differently there.
我不会限制自己,只因为人们不接受我可以做其他事情的事实。
应当通过具体事物探究规律,不可先设定规律来限制事物。
我们拥有的最大资源是人类的聪明才智。
The past is a shadow that follows us, a ghost that haunts us.