Dutiyaassādasutta

sn22.130:2.1 “Reverend, a learned noble disciple truly understands the gratification, the drawback, and the escape when it comes to form,

sn22.130:2.2 feeling,

sn22.130:2.3 perception,

sn22.130:2.4 choices,

sn22.130:2.5 and consciousness.

sn22.130:2.6 This is called knowledge.

sn22.130:2.7 And this is how a knowing one is defined.”