He staggered not at the promise of God through unbelief; but was strong in faith, giving glory to God; And being fully persuaded that, what he had promised, he was able also to perform.
-Romans 4:20, 21
Likewise the Spirit also helpeth our infirmities: for we know not what we should pray for as we ought: but the Spirit itself maketh intercession for us with groanings which cannot be uttered. And he that searcheth the hearts knoweth what is the mind of the Spirit, because he maketh intercession for the saints according to the will of God.
-Romans 8:26,27
Now unto him that is able to do exceeding abundantly above all that we ask or think, according to the power that worketh in us,
-Ephesians 3:20
Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;
-Ephesians 6:18
Pray without ceasing.
-1 Thessalonians 5:17
I will therefore that men pray every where, lifting up holy hands, without wrath and doubting.
-1 Timothy 2:8
Let us therefore come boldly unto the throne of grace, that we may obtain mercy, and find grace to help in time of need.
-Hebrews 4:16
Wherefore he is able also to save them to the uttermost that come unto God by him, seeing he ever liveth to make intercession for them.
-Hebrews 7:25
But without faith it is impossible to please him : for he that cometh to God must believe that he is, and that he is a rewarder of them that diligently seek him.
-Hebrews 11:6