Literature is the most subversive of all arts because it works in secret, in the reader’s mind.
States are inherently aggressive and expansionist because they exist in an anarchic international system where there is no higher authority to keep them in check.
Be realistic, demand the impossible!
The key to performance is elegance, not battalions of special cases.
The advancement of robot technology is to make human life better.
Ignoring isn’t the same as ignorance, you have to work at it.
学习数学的最好方法就是做数学。