Kāmadasutta

sn2.6:4.1 “They find it even though it’s hard,”

sn2.6:4.2 said the Buddha to Kāmada,

sn2.6:4.3 “those who love to settle the mind;

sn2.6:4.4 whose minds love to meditate

sn2.6:4.5 day and night.”