Related Clues:

• Moral philosophy
• Moral code
• Moral standards
• Moral concerns
• Mr. Spock's forte
• Set of moral principles
•     Congressional committee subject
• Study of morality
• Vulcan's asset
• Means to solving a sudoku puzzle
• Branch of philosophy
• Aristotle's rule of reasoning
• Holmes' tool
• The right stuff
• Spock's forte