The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是把简单的事情复杂化,而是把复杂的事情简单化。
成功是个糟糕的老师。它让聪明人认为他们不能失败。
Better to hunt in fields, for health unbought, than fee the doctor for a nauseous draught.
The creative process begins with intuition and ends with logic.