—— 请按键盘 空白键 开始游戏 ——

To understand a program you must become both the machine and the program.
生命太短暂,不要带着遗憾醒来。
Resilience is built through overcoming challenges.
Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.