Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

To be a writer is to be a witness.

可持续性不是一种选择；它是我们行业生存的必要条件。

自然必须通过感受来体验。

能源行业不仅仅是关于利润；它是关于推动进步和改善生活。