The Bible says: "The one covering over his transgressions will not succeed, but whoever confesses and abandons them will be shown mercy."  - Proverbs 28:13.
"Loyi a fihlaka swidyoho swakwe a nge kateki, kambe loyi a swi vulaka kutani a swi tshika, u ta kombiwa musa." - Swivuriso 28:13