Galatians 3:6-8 according as Abraham believes God, and it is reckoned to him for righteousness?

CLV⁽ⁱ⁾ ⁶ according as Abraham believes God, and it is reckoned to him for righteousness? ⁷ Know, consequently, that those of faith, these are sons of Abraham." ⁸ Now the scripture, perceiving before that God is justifying the nations by faith, brings before an evangel to Abraham, that In you shall all the nations be blessed."