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。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
隐私保护不是阻碍，而是信任的基础。
"The security of quantum communication comes from the laws of physics, not from computational complexity."
波函数不是描述单个系统，而是描述系统的集合。