The price of freedom is the willingness to do sudden battle, anywhere, at any time, and with utter recklessness.
The real test of an algorithm is not just its correctness, but its scalability and robustness.
商场如战场,防人之心不可无。
"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."