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The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.

最深刻的真理往往是我們認為理所當然的那些。

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.

我們為祖國服務，也不能都采用同一方式，每個人應該按照資稟，各盡所能。