True discovery often happens at the intersection of curiosity and persistence.
数学是科学的钥匙和门。
女人因为男人的缺点而爱男人；如果男人的缺点足够多，女人什么事都可以原谅他们，哪怕是他们的智力。
The most important property of a program is whether it accomplishes the intention of its user.
Sustainability isn't an option; it's a responsibility we owe to future generations.