A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.

成人应该敬畏儿童。

有时候，最难的部分不是放手，而是学会重新开始。

In the oil industry, efficiency and sustainability are two sides of the same coin.

凡是创作古文，必须推究前代文章的本意，以此展现自己的学问。

I think fashion is really important because it's a way of expressing yourself without having to say anything.

时间不是金钱，时间是生命。

Leadership in energy today requires both technical expertise and moral courage.