逝者从未远离我们，他们在我们心中，在我们脑海里，永远如此。
Happy the man, and happy he alone, he who can call today his own.
"Greatness is a lot of small things done well."
算法的真正力量不在于它的速度或效率，而在于它揭示所解决问题隐藏结构的能力。
The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.
