The sun did not know how beautiful its light was until it was reflected off this building.

The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.

Energy security is a cornerstone of national strategic security, and we must firmly hold our energy饭碗 in our own hands.

我认为我今天之所以成为我，是因为年轻时经历了那些艰难时期。