On behalf of, heard or spoken without sincere aspiration to enlightenment, to purification and repentance, for spiritual growth — not good or it will be negligible. If faith and spiritual aspiration much, good action can be arbitrarily small — and yet it will be effective. Through reciting the names of thirty-five Buddhas Tsongkhapa's many students were able to see them. We know that the reason that we do not see the Buddhas and Bodhisattvas — pollution in our mind, not that they are not in front of us. Any living being — be it a tiny insect or celestial — is able to commit unwholesome action, but the only people able to completely clean it.