Just as a mother ignores many of her son's amateurish deeds and brings him up with love and care.
Just as a warrior abides by his woe/pledge in respect of one who comes in his refuge and despite his showing disrespect does not kill him.
Just as a log of wood does not sink in river, since it carries a latent respect that he (river) has helped the tree grow by providing it with life-giving water.
So is the great benefactor True Guru who like a philosopher stone is capable of turning the Sikhs into gold-like metal. He does not dwell on their erstwhile deeds and by blessing them with Naam Simran, make them virtuous like Himself. (379)