不为过三字,昧却多少良心;没奈何三字,抹却多少体面。
不算过错,有多少人为此蒙蔽良心;无可奈何,有多少体面以此为借口。
生活是一段旅程,而爱让这段旅程变得有价值。
To be free is not to have no master, but to choose your own.
The best way to learn mathematics is to do mathematics.