There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.

对做好自己的事感到满足，不必理会别人如何议论你。

理解自然界的基本粒子和力量是解开宇宙之谜的关键。

成功的关键是失败。