释义：他强调空气密度对于物质形态的决定性作用，认为物质的形态和性质都受到空气密度的影响。
The only way to learn a new programming language is by writing programs in it.
不必担忧财富不多，只须担忧财富不平均，不必担忧人口稀少，只须担忧境内不安宁。……既来了，要使他们安家乐业。
Stay true to yourself and never let what somebody else says distract you from your goals.
世界上有很多好人。如果你找不到一个，那就成为一个。
写作就像做爱。不要担心高潮，专注于过程就好。
The essence of modernity is psychologism, the experiencing and interpretation of the world in terms of the reactions of our inner life and indeed as an inwardness.
It is now clear that the hybrids form seeds which have the one or the other of the two differentiating characters.