The world is full of willing people; some willing to work, the rest willing to let them.

Music and letters are the two wings of the same spirit.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

出自汉·桓宽《盐铁论·忧边》。因，根据。知，通“智”。明智的人根据时机而改变行动方案，智慧的人随着事情的发展而制定不同的应对策略。这句话言随机应变、因事制宜才是明智者。明智的人，因时间的推移而进行改革；聪慧的人，依世情而制定治国方法。

Leadership is not about being in charge, but about taking care of those in your charge.

背景非常重要。背景不仅仅是物理背景，还包括历史和文化背景。