失去一个父母可以看成是一种不幸;失去双亲看上去就像是一种粗心了。
To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.
确认某些人是否可以信任的最好的办法,就是信任他们。
To understand the universe, you must understand the language in which it is written, and that language is mathematics.
无论多么困难,我都不会放弃我的梦想。
不能以牺牲他人自由为代价来获得持久和平。