Love is hard, and you can't expect it to e out like a dream.
恋爱是艰苦的,不能期待它象美梦一样出来。
教授数学是为了激励下一代的思考者和问题解决者。
作家真正的祖国是他的语言。
The notion of truth is not definable in any formal system that is strong enough to include arithmetic.
I love to compete. That's what I do.