设计系统最难的部分是决定构建什么。
做数学的艺术在于找到那个包含所有普遍性萌芽的特殊案例。
君子的学习,听在耳里,记在心里,体现在仪表举止上,表现在一举一动中。
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.
"I don't complain. I accept the challenge and I work."