风险管理不是要避免风险,而是要理解并减轻它们。
数学的目标不是解决问题,而是理解问题。
The boundary between physics and mathematics is not as clear-cut as we might think.
The aim of every artist is to arrest motion, which is life, by artificial means and hold it fixed so that a hundred years later, when a stranger looks at it, it moves again since it is life.