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Is there such a thing as a cheerful pessimist? That's what I am.
真正的教师会保护学生免受他个人影响。他激发自我怀疑。他将他们的目光从自己身上引导到激发他的精神上。他不会有门徒。
预测未来的最好方式就是创造未来。
我们都是自己的监狱,也是自己的狱卒。
Confidence comes from within. No one can give it to you.
We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.