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The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
解释:日月的光辉照亮了大地,可它们的内部仍然有黑点,人们谨慎地看待自己憎恶的人,而祸患常常发生在溺爱的人身上。
每首歌都是一个故事,每个音符都是一种情感。
A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do.