If the Ethiopian is able to change his skin, or the leopard is able to change his spots, then you also may be able to do well, though you have learned evil
Other versions
King James Version
Can the Ethiopian change his skin, or the leopard his spots? then may ye also do good, that are accustomed to do evil. English Standard Version
Can the Ethiopian change his skin or the leopard his spots? Then also you can do good who are accustomed to do evil.New International Version
Can the Ethiopian change his skin or the leopard its spots? Neither can you do good who are accustomed to doing evil.