1. Kilesa Sutta.-The five kinds of alloy which are used with gold - iron, copper, tin, lead and silver - and the similar five corruptions of the heart - sensual desire, malevolence, sloth and torpor, excitement and worry, doubt and wavering (S.v.92f).
2. Kilesa Sutta.-The seven bojjhangas lead to liberation by knowledge (S.v.93).