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The less secure a man is, the more likely he is to have extreme prejudice.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
无畏并非毫无畏惧。它不是完全不害怕,而是心怀诸多恐惧却依然勇往直前。
Sometimes the best way to help the poor is to give them cash and let them decide how to spend it.