Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Drawing for children is about capturing the essence, not the detail.
I am not interested in solving problems that are already solved.
心理学应该是关于心理生活的科学,包括其现象及其条件。
The thrill of discovery never gets old.
如果你想知道一家公司的价值,看看它的股价。