The world is full of people who have never, since childhood, met an open doorway with an open heart.

译文：成家立业后才知道柴米的贵重，自己抚养孩子时才知道报答父母的恩情。赏析：世事的艰难，只有当我们亲身经历后才会懂得，生活的不易，只有当我们尝遍酸甜苦辣咸才会明白。

 大多数人过着一种平静的绝望生活，他们心中的歌和他们一起埋入坟墓。

人生は、自分で選んだ道を歩むことだ。

The fight against viruses is a battle of wits between nature and human ingenuity.

The human understanding， when it has once adopted an opinion， draws all things else to support and agree with it.