If we ran a poll to decide which are the most important things in life, many people would end up going for things like: love, family, friends, etc - and I wouldn't disagree with them at all. The Apostle Paul would go with his 3 favourite ones: Faith, Hope, Love (1 Corinthians 13:13) - and I can't argue with him either.
However, Solomon suggests 3 different characteristics that are vital for a godly life and they are all linked to Truth. See what he says in Proverbs 23:23 "Get the truth and don't ever sell it; also get wisdom, discipline, and discernment."
No there are 3 things that could help us in a big way:
Which of these 3 are you needing today? Why not ask God to guide you into a deeper understanding of these key things?