Can the Ethiopian change his skin, or the leopard his spots? then may ye also do good, that are accustomed to do evil.

Can the Ethiopian change his skin, or the leopard his spots? then may ye also do good, that are accustomed to do evil.

古实人岂能改变皮肤呢。豹岂能改变斑点呢。那习惯行恶的，你们也可以行善。

-- Holy Bible 圣经