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The only way to learn mathematics is to do mathematics.
When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.
如果你明智地利用经验,那么没有什么是浪费时间。
Fearless is not the absence of fear. It's not being completely unafraid. Fearless is having fears. Fearless is having doubts. Lots of them. Fearless is living in spite of those things, every day.
【原文】樊迟问知,子曰:“务民之义,敬鬼神而远之,可谓知矣。”问仁,曰:“仁者先难而后获,可谓仁矣。”【译文】樊迟问怎样才是“智”,孔子说:“专心致力于(提倡)老百姓应该遵从的道德,尊敬鬼神但要远离它,就可以说是智了。”樊迟又问怎样才是仁,孔子说:“仁人对难做的事,做在人前面,有收获的结果,他得在人后,这可以说是仁了。”
成功不在于你赚了多少钱,而在于你激励了多少人。