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。
Rather than steering your life to avoid surprises， aim directly for them.
Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.
诗人是一个总是说真话的骗子。
The art of progress is to preserve order amid change and to preserve change amid order.