Matthew 11:12
And from the days of John the Baptist until now, the kingdom of heaven suffereth violence, and the violent seize upon it.
Luke 13:24
Strive to enter in through the narrow door; for many, I say to you, will seek to enter in, and will not be able.
Luke 18:5-7
yet, because this widow troubleth me, I will avenge her; lest by coming for ever she weary me out.
Philippians 2:12-13
So then, my beloved, as ye always obeyed, not as in my presence only, but now much more in my absence, work out your own salvation with fear and trembling;
Colossians 1:29
to which end I also am laboring, striving earnestly through his working, which worketh within me mightily.