每个行为都有它的乐趣和它的代价。
It will take about a thousand million million million million years for the Earth to run into the sun, so there’s no immediate cause for worry!
It is sadder to find the past again and find it inadequate to the present than it is to have it elude you and remain forever a harmonious conception of memory.
The only way to do great work is to love what you do.
理解学习问题的计算复杂性对于开发高效算法至关重要。
最重要的思想是那些让我们以新的、更高效的方式利用现有资源的想法。