Matthew 11:12
From the days of John the Baptist until now the kingdom of the heavens suffers violence, and the violent are taking it by force.
Luke 13:24
Agonize to enter in through the narrow gate: because many, I say unto you, will seek to enter in, and will not be able.
Luke 18:5-7
yet because this widow causes me trouble, I will avenge her, lest coming forever she may smite me in the face.
Philippians 2:12-13
So, my beloved brethren, as you have always harkened, not only in my presence, but now much more in my absence, work out your own salvation with fear and trembling;
Colossians 1:29
unto which I also labor, agonizing according to his energy, working in me with power.