'Fact' in the Bible

This is evidence of God's righteous judgment, to make you worthy of the kingdom of God, for which in fact you are suffering.

when he comes to be glorified among his saints and admired on that day among all who have believed -- and you did in fact believe our testimony.

Finally, pray for us, brothers and sisters, that the Lord's message may spread quickly and be honored as in fact it was among you,

In fact, when we were with you, this is what we commanded you: “If anyone isn’t willing to work, he should not eat.”