一个好的数学问题的定义是它产生的数学,而不是问题本身。
The most damaging phrase in the language is: 'It's always been done this way.'
You're in control, is there anywhere you wanna go?
Life is full of possibilities, death is final.
一个人要走多少路才能被称为男人
"Leadership is not about being in charge, but about taking care of those in your charge."