If we want to protect forests, we must first understand them.

You can’t change the past, but you can change the future.

启蒙就是人类脱离自我招致的不成熟状态。

Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.

心理学家必须是一个公正的观察者。

这寡独的黄昏，幕着雾与雨，我在我的心的孤寂里，感觉到它的叹息。