Anupubbena medhāvī, thokaṃ thokaṃ, khaṇe khaṇe,
One by one, little by little, moment by moment,
a wise one should remove one's own impurities,
as a smith removes dross from silver.
The Dhammapada: The Buddha's Path of Wisdom,
translated from the Pali by Acharya Buddharakkhita