Attanā hi kataṃ pāpaṃ, attanā saṃkilissati;
attanā akataṃ pāpaṃ, attanāva visujjhati.
Suddhī asuddhi paccattaṃ:
nāñño aññaṃ visodhaye.
By doing evil, one defiles oneself;
by avoiding evil, one purifies oneself.
Purity and impurity depend upon oneself:
no one can purify another.
Dhammapada 12.165