Every lock has a key, every problem has a solution.
每把锁都有钥匙,每个问题都有解决方案。
The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
你必须相信你的想法,并愿意在众多挑战中坚持下去。