Samathavipassanāsutta - translated by Bhikkhu Bodhi
“Bhikkhus, I will teach you the unconditioned and the path leading to the unconditioned. Listen to that….
“And what, bhikkhus, is the unconditioned? The destruction of lust, the destruction of hatred, the destruction of delusion: this is called the unconditioned.
“And what, bhikkhus, is the path leading to the unconditioned? Serenity and insight: this is called the path leading to the unconditioned….”