This is a statement. Please rewrite as a qiestion so it can be answered.
Live your life by following your conscience, your moralty utltimately determines if your guilty of something. If you have guilt, then you have regrets. So if you want to do something make sure it...
Vive sine paenitentia.
Possibilities include: lament bemoan be remorseful rue ---- Somewhat more philosophically: To regret deeply is to live afresh. - Henry David Thoreau
Vivre sans regret