我不相信占星术；我是射手座，我们持怀疑态度。

密码学是将信息转换成一种形式，使任何没有解锁密钥的人都无法理解的艺术。

I have been a selfish being all my life, in practice, though not in principle.

我们今天种下的每一棵树都是对明天的承诺。

Sustainability isn't an option; it's our responsibility to the next generation.

Deciding what not to do is as important as deciding what to do.