I think that we communicate only too well, in our silence, in what is unsaid, and that what takes place is a continual evasion, desperate rearguard attempts to keep ourselves to ourselves.

在化学中，就像在生活中一样，最深刻的真理往往是最简单的。

Do not put forward anything that you cannot prove by experimentation.

一幅画的真正主题是画本身。