Theragāthā Ekakanipāta Catutthavagga 1.32. Suppiyattheragāthā “Ajaraṃ jīramānena, tappamānena nibbutiṃ;Nimiyaṃ paramaṃ santiṃ, yogakkhemaṃ anuttaran”ti. … Suppiyo thero ….