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大腦在我們二十多歲時仍在形成，這意味著它更容易接受變化。

El verdadero escritor no busca la fama, sino la verdad.

The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.

挑戰是偽裝的機會，勇敢地擁抱它們。

獎賞不正確，沒有鼓勵作用；施刑不正確，也起不到懲戒作用。