过去并非直线，而是错综复杂的网。
"The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter."
I believe that man will not merely endure: he will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.
The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.
只有积极主动的人才能在瞬息万变的竞争环境中赢得成功，只有善于展示自己的人才能在工作中获得真正的机会。
The best way to predict the future is to create it.
Success is not about how much you achieve, but how much you inspire others to achieve.
"In the end, we will remember not the words of our enemies, but the silence of our friends."