1 Corinthians 16:13 Be on your guard; stand firm in the faith; be men of courage; be strong.
To be firm we must listen to good advice. To be strong in doing the word of God and grace of God.
Encouragement cost you nothing to give, we all need it. Never depend on the law but depend on His grace.
It's not how you mark the Bible, it is how the Bible mark at you.
Psalm 132:11 The LORD swore an oath to David,
a sure oath that he will not revoke:
"One of your own descendants
I will place on your throne-
12 if your sons keep my covenant
and the statutes I teach them,
then their sons will sit
on your throne for ever and ever."
Love the Lord with all of your heart. Wisdom is not knowledge, but the application of knowledge. Follow the word of God. We should consider ourselves as nothing so we can be used by God even in our witnesses; do not focus to "only perfect person" as being use by God.
To be firm we must be careful.
Proverbs 21:30 There is no wisdom, no insight, no plan
that can succeed against the LORD.
We need to be consistent in submission to God and our leaders.
In spiritual life, the one can kill us is the one who doesn't submit. To be firm: Let your No be no and Yes be yes. Be on guard and continue to listen and commit to God.