If a fellow isn't thankful for what he's got, he isn't likely to be thankful for what he's going to get.

If a fellow isn't thankful for what he's got, he isn't likely to be thankful for what he's going to get.

如果一个人对他所拥有的不心存感激，他就不可能对他将要得到的心存感激。

-- Frank Howard Clark 弗兰克·霍华德·克拉克