- He can do wrong and still have a clear conscience.
他做错事，还能心安理得。
- By lack of understanding they remained sane.
他们不具备理解力，于是他们心安理得。
- A good conscience is a continuous feast.
问心无愧天天乐。
- How can he reconcile it to his conscience?
他怎能问心无愧呢？
peace of conscience的相关资料：
