regret; repentance; remorse
regret; remorse; repentance; contrition
it is no use crying over spilt milk
contrition; extreme regret; contrition (in Catholicism)
it is better to try and fail than never to try at all
the arrogant dragon will have cause to repent; he who reaches the top is bound to fail if he is not prudent
sacrament of penance and reconciliation