昨天和明天Yesterday and tomorrow

青年人，更期盼明日，老年人，更怀念昨天。 猫对狗说：昨天是梦，明天还是梦。人，就喜欢生活在梦中。

Young people are looking forward to tomorrow, and older people miss yesterday. The cat said to the dog: Yesterday is a dream, tomorrow is still a dream. People like to live in a dream.