Matthew 11:12
And from the days of John the Baptist till now the kingdom of heaven suffers violence, and the violent take it by force.
Luke 13:24
Strive to enter in by the narrow gate; for many, I tell you, shall seek to enter in, and shall not be able.
Luke 18:5-7
yet because this widow makes me trouble I will give her judgment, that she may not vex me by her continual coming.
Philippians 2:12-13
And so, my beloved, as you always obeyed, not in my presence only, but now much more in my absence, work out your salvation with fear and trembling;
Colossians 1:29
for which I also labor, striving with his power which operates in me with power.