书籍是世界上最强大的武器。
The study of computational complexity is a journey through the landscape of mathematical logic and algorithmic theory.
应对不自由世界的唯一方法是变得如此绝对自由,以至于你的存在本身就是一种反抗。
麻雀因孔雀驮著翎尾而替它担忧。
Every day is a new opportunity to make a difference.