He listened to his conscience before making a decision.

An inner sense that distinguishes right from wrong in one's actions.
Her conscience told her to help those in need.
He felt a heavy conscience after lying to his friend.
Listening to your conscience can guide you in tough situations.
clear conscience
guilty conscience
peace of conscience
morality
scruples
principles
She listened to her conscience before making a decision.

The sense of right and wrong that guides a person's thoughts and actions.
He felt guilty because his conscience was bothering him.
Her conscience told her to help the stranger in need.
Ignoring his conscience made him uneasy.
clear conscience
guilty conscience
follow your conscience
morality
ethics
principle