Possible Clues:

• Itches to change principles
• Philosopher’s concern
• Loses rag in Reichstag with study of moral philosophy
• Moral values in middle of fifteenth century recorded in this
• House ___ Committee
• Socrates subject
• Moral behaviour from the start in every true heart, it's common sense
• Moral code that could be his, etc
• Central features of bets which use a moral framework
• The study of morals