知识的最大敌人不是无知，而是对知识的幻觉。
教育是变革的基础。我们必须教导下一代珍惜和保护我们的海洋。
Evolution is a slow process.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
Men fear death as children fear to go in the dark； and as that natural fear in children is increased with tales， so is the other.
"To be a spy is to live in a world of constant doubt and suspicion."