这看起来像是一项孤独的运动，但它需要一个团队。

In mathematics, truth is always relative to the system you're working in.

For the eyes of the world now look into space, to the moon and to the planets beyond, and we have vowed that we shall not see it governed by a hostile flag of conquest, but by a banner of freedom and peace.

释义：跟交情浅的朋友说过多的隐私的事情，是愚蠢的。提醒人们在与人交往时，要根据实际情况和关系的深浅，采取适当的态度和行动。

阅读是一种共情的行为。

我们学得越多，就越意识到我们不知道的还有很多。