Possible Clues:

• Having no ethics
• Lacking ethics
• Having no values
• Lacking any sense of right and wrong
• Ethically unconcerned
• Unconcerned with right or wrong
• Lacking sense of right and wrong
• Indifferent to questions of right and wrong
• Machiavellian answer to the tale of the tortoise and the hare
• Without moral standards or principles