I will not grow weary while doing good, for in due season I shall reap if I do not lose heart.
Galatians 6:9


So is my word that goes out from my mouth: It will not return to me empty, but will accomplish what I desire and achieve the purpose for which I sent it.
Isaiah 55:11

For in You I live and move, and have my being.
Acts 17:28 


For no matter how many promises You God had made to me, they are Yes in Christ. And so through Christ the Amen is spoken by me to the glory of You. 
2 Corinthians 1:20
Amen.

You are near to me and to all that call upon You, to all that call upon You in truth.
Psalm 145:18

I called unto You, and You answered me, and showed me great and mighty things, which I did not know.
Jeremiah 33:3