【释义】善于经商的商人会把珍贵的货物深藏起来，看上去好像一无所有；品德高尚的君子虽然拥有深厚的德行，却从不刻意张扬炫耀。

You have to be willing to make mistakes; the big thing is to not make the same mistake over and over again.

天然气行业的创新必须平衡即时需求与长期可持续性目标。