Safety is not just a priority, it's a value that defines who we are.
智者能预测未来,愚人只看现在。
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。
"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."