The heart of the educator must be a living flame, a source of warmth and light.
教育者的心必须是一团活生生的火焰，是温暖和光明的源泉。
I'm not a role model, I'm just a man.
Adaptation is the key to survival in an era of climate uncertainty.
纯数学在某种程度上是逻辑思想的诗歌。