Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
领导力就是做出艰难的决定并坚持到底。
The study of mind is the study of life's problem-solving.
Objects have always been carried, sold, bartered, stolen, retrieved and lost. People have always given things to other people.