Happiness is a tranquil mind.
在精神平静中找到幸福。
Overfishing is a theft from future generations—we must be the generation that stops it.
耐心也是一种行动。
Every small step towards sustainable practices counts; perfection is not the goal, progress is.
一个好的数学家是能看到定理之间类比的人;一个伟大的数学家是能看到类比之间的类比的人。