关于幸福,你只有在失去它的时候才知道你曾经拥有过。
The thing about happiness is that you only know you had it when it's gone.
人生は、選択の連続だ。
A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of applied effort.
The only limit to our realization of tomorrow is our doubts of today.