Matthew 11:12
And from the days of John the Immerser the kingdom of heaven is experiencing turmoil, for violent men are [trying to] take control of it [by bringing it into existence] forcibly [i.e., before its appointed time. See Acts 1:6-7].
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 18:5-7
I will grant her a [favorable] judgment because she keeps bothering me [about the matter] and is about to exhaust my patience by her persistent visits.'"
Philippians 2:12-13
So then, my dear ones, just as you people were always obedient [to my teaching] when I was there with you, so now, in my absence [also], be [obedient] all the more. [Continue to] complete your own salvation [i.e., by living faithfully to the end. See Rom. 13:11] with fear and trembling [i.e., with a reverent and submissive spirit],
Colossians 1:29
This is the reason that I work hard and struggle also, using God's mighty power which is at work in me.