预测未来的最好方法就是去创造它。
"Memory is fragile and the space of a single life is brief, passing so quickly that we never get a chance to see the relationship between events."
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.
I write to find out what I think.
他呢，狗嘴吐不出象牙。