Romans 8:26
In the same way the Spirit also helps us in our weakness; for we do not know what prayers to offer nor in what way to offer them. But the Spirit Himself pleads for us in yearnings that can find no words,
Philippians 4:6-7
Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.
Hebrews 5:7
For Jesus during his earthly life offered up prayers and entreaties, crying aloud and weeping as He pleaded with Him who was able to bring Him in safety out of death, and He was delivered from the terror from which He shrank.