According to Isaiah 8:20, it is the “law and testimony” (terms used to refer to Scripture, see Psalm 119) that is the standard by which to measure truth.
Ayon sa Isaias 8:20, ang "Kautusan at patotoo" (mga terminolohiyang ginagamit sa Kasulatan, tingnan ang Awit 119), ang sukatan ng katotohanan.