人类的增长速度往往超过其生存手段的增长速度。

嗅觉是一种强大而原始的感觉，它以独特的方式将我们与世界连接起来。

I didn't think I was ever going to get a sensible question.

The only real prison is the one we build for ourselves.

Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.

我不是老师，我是学生。