有些鸟儿是关不住的，因为它们的羽翼太耀眼。
Some birds are not close, because they are too bright.
最重要的是保持思考，保持质疑。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Never underestimate the power of collaboration—great things grow when people work together.
我根本不是一个思维敏捷的人。我必须花很多时间才能理解一些东西。
人们生产生活资料的方式首先取决于他们发现并必须再生产的实际手段的性质。