In this was manifested the love of God toward us, because that God sent his only begotten Son into the world, that we might live through him. ~ 1 John 4:9 KJV

In this the love of God was made manifest (displayed) where we are concerned: in that God sent His Son, the only begotten or unique [Son], into the world so that we might live through Him. ~ 1 John 4:9 AMP