We often do good in order that we may do evil with impunity. - Francois De La Rochefoucauld
If you don't like your own character there may be a new one ready-made and waiting for you. The snake sheds its skin with impunity, relying on the same nature which you rely on.
IMPUNITY, n. Wealth. - Ambrose Bierce
Rules such as "Write what you know," and "Show, don't tell," while doubtlessly grounded in good sense, can be ignored with impunity by any novelist nimble enough to get away with it. There is, in fact, only one rule in writing fiction: Whatever works, works. - Tom Robbins
Cowards only find courage in the number of their likeness, citing their lofty strongholds as havens for their impunity. - Justin K. McFarlane Beau
Yes, the house must be inhabited, and we will see by whom; for imagination is a licensed trespasser: it has no fear of dogs, but may climb over walls and peep in at windows with impunity. - George Eliot