没有人能在相当长的时间内，对自己戴一副面孔，对众人戴另一副面孔，而最终不困惑于哪一副才是真实的。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
The most profound ideas in mathematics often arise from the simplest observations.
最好的公司不只是销售产品，他们还销售信任和可靠性。
创作的行为是一种诞生的行为。
我不是数学，我是音乐。