煤炭是我国的主体能源，在相当长时期内仍将是我国能源安全的基石。
Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.
You don't have to be a person that's always with somebody to be happy. You can be happy alone.
宇宙不仅比我们想象的更奇怪，它比我们能想象的还要奇怪。
译文：高兴时说的话大多会丧失信用，愤怒时说的话大多会失大体。赏析：人在得意时容易忘形，说话无所不谈，此时说的话往往失真。人在极度愤怒时，思维混乱，言行大多不理智。所以，我们要防止在高兴时言多有失，防止愤怒时言多失态。