There are no trails of the wings in the sky, while the birds has flied away.
天空沒(méi)有翅膀的痕跡,而鳥兒已飛過(guò)。
You cannot appreciate happiness unless you have known sadness too.
不知道什么是憂傷,就不會(huì)真正感激幸福。
In order to be irreplaceable one must always be different.
想要不可替代,就必須與眾不同。