Every mathematical problem has a solution, but not every solution is immediately apparent.
每个数学问题都有解决方案，但并非每个解决方案都显而易见。
【译文】 孔子说：“君子通晓道义，小人通晓私利。”
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
Overfishing is a failure of management, not a failure of the ocean.
Poetry is the echo of the invisible in the visible.
永远不要停止学习；一旦停止，你就会过时。