Luke 13:24
"You should try hard to enter [God's kingdom] by means of the narrow door, for I tell you, many people will try to enter it but will not be able to.
Luke 22:44
And He became anguished as He prayed more fervently; even His sweat was like drops of blood falling to the ground.
Romans 8:26-27
And in the same way, the Holy Spirit helps [us in] our weakness; for we do not know what we ought to pray for [Note: Some translators understand this as "how to pray"]. But the Holy Spirit goes to God on our behalf with groanings [in our hearts] that are not expressed [in words].
Romans 15:30
Now I urge you, brothers, through our Lord Jesus Christ [See 12:1], and through the Holy Spirit's love [in us], that you people join me in fervently praying to God for me
1 Corinthians 15:47
The first man [i.e., Adam] came from the dust of the ground [See Gen. 2:7]; the second man [i.e., Christ] came from heaven.
Ephesians 6:12
For our struggle is not [actually] against human beings, but against rulers and authorities and leaders of this world's darkness, and against the spiritual forces of evil in the heavenly realms. [Note: "Heavenly realms" here refers to the struggle against Satanic powers which permeates life around us].
Ephesians 6:18
[Then] offer all kinds of prayers and requests in [harmony with] the Holy Spirit at all times, and be alert constantly in making requests for all the saints [i.e., God's holy people].
Colossians 2:1
I want you to know how much I am struggling for you [Note: This probably refers to the great effort Paul was exerting in prayer, preaching, etc.], and for those at Laodicia [Note: This was a town ten miles west of Colosse], and for all those who have never met me in person.
Colossians 4:12
Epaphras, who is one of you [See 1:7; 4:9], a slave of Christ Jesus, sends you his greetings. He always struggles in his prayers on your behalf so that you will remain mature and be fully convinced [that you are living] by all that God wants [for your life].
Hebrews 5:7
During His life on earth Jesus offered up prayers and special requests with loud crying and tears to God, who was able to save Him from dying, and He was heard because of His [earnest] devotion [to God].