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譯文：鋒利的刀割傷身體，傷口還可以愈合，而惡毒的話語(yǔ)傷了人，就會(huì)積下仇恨很難消除。賞析：良言一句三冬暖，惡語(yǔ)傷人六月寒。人要多說(shuō)良言，少說(shuō)惡語(yǔ)。即使我們要給對(duì)方提建議，也要掌握分寸，不可在交談中有傷人之語(yǔ)。

在量子力學(xué)的領(lǐng)域里，觀察者和被觀察者密不可分，這對(duì)我們關(guān)于現(xiàn)實(shí)的經(jīng)典觀念提出了挑戰(zhàn)。

介導(dǎo)疼痛的分子非常古老，揭示了這種感覺在進(jìn)化中的深遠(yuǎn)根源。

All things excellent are as difficult as they are rare.

Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.