Lesson No. 1 人生重要的一课 [歌词] so happy today's the day and things will turn around I'm so over yesterday and it's gonna come around 如此的开心 今天还活着 事情都在改变 昨天去而不复 今天很快就要成昨天 so keep your head up things are alright keep your head up things are alright 所以抬起你的头 没