When a person regains their sight, the first thing they will do is throw away the stick.

The nature of humans is ungrateful.

当一个人恢复视力时，他首先会扔掉拐杖。

人类的本性是忘恩负义的。

Always be good to people and remember the best in them.

对人们永远要善待他们，并记住他们最好的一面。