The study of mathematics is a constant dialogue between the concrete and the abstract.

自然现象的多样性如此之大，天空中隐藏的宝藏如此丰富，正是为了使人类的思想永远不乏新鲜的滋养。

Every piece of plastic we produce should have a clear path to reuse or recycling.

诗人的灵魂就像一面镜子，映照出世界的美。