2Cor 1:22, 1Jo 5:10-11 | ESV | STEP | and who has also put his seal on us and given us his Spirit in our hearts as a guarantee .

2 Corinthians 1:22

22 and who has also ^aput his seal on us and ^bgiven us his Spirit in our hearts as a guarantee. ^{▼▼Or down payment}

1 John 5:10-11

10 Whoever believes in the Son of God ^dhas the testimony in himself. Whoever does not believe God ^ehas made him a liar, ^fbecause he has not believed in the testimony that God has borne concerning his Son. 11 And this is the testimony, that God gave us ^geternal life, and ^hthis life is in his Son.