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A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
衡量一家矿业公司的真正标准不是它的股价,而是它的管理责任。
"Children deserve art that challenges them as much as it delights them."
人生是一系列的选择,而最难的那些才是最重要的。