爱情并不遵从我们的想象。爱情的神秘之处就在于它的纯洁与纯粹。
Remember, if you ever need a helping hand, it's at the end of your arm, as you get older, remember you have another hand: The first is to help yourself, the second is to help others.
Mathematics is a universal language that transcends cultural and linguistic barriers.
应对不自由世界的唯一方法就是变得如此绝对自由,以至于你的存在本身就是一种反叛。
"He who has a why to live can bear almost any how."