The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

La literatura es un espejo de la sociedad, refleja sus luces y sus sombras.

在石油和天然气行业，技术是我们减少环境影响的最大盟友。

我们所看到或似乎看到的一切，都只是梦中之梦。