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The true measure of a forest's worth isn't in board feet of timber, but in centuries of ecological balance.

Innovation is not from 1 to N, but from 0 to 1.

小額信貸的真正力量，是讓窮人相信自己的潛力。

品質是品牌的生命線，沒有品質就沒有市場。

繪畫就是作證。

I think the greatest thing in life is to be able to give back.

堅持是數學研究的關鍵，許多偉大的成果來自于長期的奮斗。