Chanting. Guided meditation focused on pairs of contrasting ideas to encourage contemplation on wholesome and unwholesome qualities in the mind. Dhamma talk on the Dvayatānupassanāsutta from Sutta Nipāta 3.12 (Contemplating Pairs). Detailed analysis of this sutta of contrasting pairs with correlation to dependent origination; of which one pair aspect leads to the origination of suffering, and the other pair aspect leads to the cessation of suffering. Brief discussion on the history, organization, and grouping of numbers in the suttas.