The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

An object that tells of the loss, destruction, disappearance of objects. Does not speak of itself. Tells of others. Will it include them?

My heart is bound to beat right out my untrimmed chest.

The most important thing is to be honest with yourself and with your audience.

Science is not only a discipline of reason but also one of romance and passion.

可持续发展不是一种选择，而是我们对后代的责任。

文学的真正价值在于其揭示人类内心生活的能力。

教育学中的实验方法不仅是研究的工具，更是理解教育过程的基本原则。