Surely :- firmly, confidently, securely, absolutely.
Surely – a word of such hope, of such reassurance. It is used to exclude all doubt, to make a statement beyond question. And especially true when it is a promise from God. An emphasis from God to pay attention to the promise that follows.
Surely goodness and mercy shall follow me all the days of my life: and I will dwell in the house of the LORD for ever.Psalm 23:6 KJV
Surely, LORD, you bless the righteous; you surround them with your favor as with a shield.Psalm 5:12 NIV
There is surely a future hope for you, and your hope will not be cut off.Proverbs 23:18
Surely he has borne our griefs and carried our sorrowsIsaiah 53:4
And surely I am with you always to the very end of the age.Matthew 28:20
We can trust God.