The historian is a prophet looking backwards.
密码学中的挑战不仅仅是创建不可破解的代码，还包括创建即使技术发展也能保持安全的系统。
The study of cognition requires both empirical and theoretical approaches.
La verdadera pasión no conoce límites ni obstáculos.
Never underestimate the power of a farmer’s intuition—it’s built on experience.
孩子不是涂色本，你不能随心所欲填上自己喜欢的颜色。