2 Bible Verses about The Holy Spirit Described As A Deposit

But He who is making us as well as you stedfast through union with the Anointed One, and has anointed us, is God, and He has also set His seal upon us, and has put His Spirit into our hearts as a pledge and foretaste of future blessing.

that Spirit being a pledge and foretaste of our inheritance, in anticipation of its full redemption--the inheritance which He has purchased to be specially His for the extolling of His glory.