36.If you do not learn to think when you are young, you may never learn. ( Edison )
如果你年轻时不学会思考，那就永远不会。(爱迪生)
37.The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. ( Bernard Shaw )
明白事理的人使自己适应世界;不明事理的人想使世界适应自己。(萧伯钠)
38.When I was young, I admired clever people. Now that I am old, I admire kind people. ( A. J. Heschel )
少时喜欢聪明人，老来喜欢仁厚人。(赫歇尔)
39.The failures and reverses which await men - and one after another sadden the brow of youth - add a dignity to the prospect of human life, which no Arcadian success would do. -- Henry David Thoreau
尽管失败和挫折等待着人们，一次次地夺走青春的容颜，但却给人生的前景增添了一份尊严，这是任何顺利的成功都不能做到的。——梭罗
40.The road of life is like a large river,because of the power of the currents,river courses appear unexpectedly where there is no flowing water.(Tagore India)