Life is like a mirror, if you frown at it, it frowns back; if you smile, it returns the greeting.
生活就像一面镜子,你朝它皱眉,它也朝你皱眉;你微笑,它也报以微笑。
The greatest glory in living lies not in never falling, but in rising every time we fall.
可持续性不是一种选择,而是我们对后代的责任。
We need to find ways to make energy storage more efficient and sustainable.