学得越多，知道得越多；知道得越多，忘记得越多；忘记得越多，知道得越少。那么，为什么要学习呢？
The more you learn, the more you know, the more you know, the more you forget. The more you forget, the less you know. So why bother to learn?
战争这种事，百年或许都用不上一次，但绝对不能有一天忘记它。
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
我在数学上花费的时间越多，我就越感到兴奋。
The best art comes from the struggle between control and chaos.
Sustainability isn't an option; it's a responsibility we owe to future generations.