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You have to be willing to adapt, or you'll be left behind.
和平时期流汗越多,战争时期流血越少。
Mathematics is the music of reason.
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.
最好的艺术会改变你看世界的方式。
除了诱惑,我什么都能抵抗。
The problem with words is that you never know whose mouths they have been in.
两个物体的相互作用力总是大小相等,方向相反,同时出现或消失且作用于同一直线上。