可持续性不是一种趋势，而是我们对下一代的责任。

When a professor insists computer science is X but not Y, have compassion for his graduate students.

Silence is the perfectest herald of joy: I were but little happy, if I could say how much.

Patience and persistence are the keys to unlocking the mysteries of mathematics.

我现在所做的一切，都是为了追求更加完美。