The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.
人类以可预测的方式非理性。
The most important property of a program is whether it accomplishes the intention of its user.
区分竞争的本质。
Education is the most powerful weapon which you can use to change the world.
如果你不说出你的想法，那么你就扼杀了你未出生的自我。
Sustainability is not a destination, but a journey that requires continuous improvement and innovation.