在充满仇恨的世界里，爱才是最大的勇气。

教师个人的范例，对于青年人的心灵，是任何东西都不可能代替的最有用的阳光。

"Growth mindset is the belief that your abilities can be developed through dedication and hard work."

跨境合作对于解决全球粮食挑战至关重要。

Sustainability isn't a trend; it's our responsibility to future generations.

"A moment is sucked away and distorted, often even at the time of its birth."

学习数学的唯一方法就是做数学。