The most advanced technology is useless without the wisdom to apply it properly.
You are never too old to set another goal or to dream a new dream.
The United States should not try to spread democracy around the world.
自动机和形式语言的研究对于理解计算的极限是基础性的。
"We are all broken, that's how the light gets in."
变化是不可避免的，但成长是可选的。
"You are the light that makes my darkness disappear."