量子场论的发展表明，真空并非空无一物，而是潜能的海洋。

写作的行为是一种乐观的行为。

弹奏美妙的五弦琴，读滋味无穷的圣贤书。挥笔写下文章，述说那古代圣王们的教范。点评：作者表示自己归隐田园后，以著述为中心，阐明圣则。苟纵心于物外，安知荣辱之所如？我将置身于世人之外，哪管什么荣耀与耻辱？

The most thought-provoking thing in our thought-provoking time is that we are still not thinking.

物理学的美在于它能够用简单而优雅的理论解释复杂的事物。

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.