clear conscience

Instead, straighten your civic backbone and push back in clear conscience.

"So I may die with a clear conscience," returned the Wizard, gravely.

Then he rushed back and sat down to the double enjoyment of a clear conscience and unusually satisfying meal.

"No, sir," we both answered meekly, with a clear conscience and a steady eye.

Having a clear conscience and a fine appetite, in spite of the potency of her tea Mrs. Gammit slept soundly.

He did not return until six, so she could stay away from home any day she chose, with a clear conscience.