The Word Behind Faith
Emunah, pistis, and what got lost.
Why biblical faith is sturdier than English suggests.
The big idea
In English, faith sounds like an opinion you hold. In Hebrew and Greek it sounds like something you stand on.
Opening scripture
“Faith means trusting what God promised even when you can’t see it yet. It’s confidence anchored in hope.”
What does “The Word Behind Faith” walk through?
Word study · Hebrew
אֱמוּנָה emunah
Rendered: faith / faithfulness
From a root meaning to be firm, steady, reliable — the same family as the word we say at the end of a prayer, amen. It describes steadiness far more than it describes an opinion, and it is used of God at least as often as of people.
Where it shows up: In Exodus 17:12, when Moses' hands grow heavy, Aaron and Hur hold them up and his hands are described with this same root — steady until sunset. That is the picture: not certainty, but staying put.
Faith And Faithfulness Are One Word
Hebrew does not split believing something from being reliable about it. The same word covers both, which quietly rules out a faith that is only ever mental.
Substance Of Things Hoped For
Hebrews 11:1 · KJV
Now faith is the substance of things hoped for, the evidence of things not seen.
In plain English
Faith means trusting what God promised even when you can’t see it yet. It’s confidence anchored in hope.
Word study · Greek
πίστις pistis
Rendered: faith / trust
In the New Testament it means trust or confident reliance, and in the wider Greek world it also carried the sense of loyalty and good faith between parties. It is relational language — the confidence you place in someone, not a probability you assign to a claim.
Where it shows up: James 2 leans on exactly this: even demons believe the facts. Pistis is not agreeing that God exists — it is entrusting yourself to him.
“Nobody says they have faith in a chair. They say it, then they sit down.”
I Believe, Help My Unbelief
Mark 9:24 · KJV
And straightway the father of the child cried out, and said with tears, Lord, I believe; help thou mine unbelief.
In plain English
At once the boy's father cried out in tears: I believe — help me with my unbelief.
Room For Doubt
If faith were certainty, this man's prayer would be a contradiction. Because faith is trust, he can be genuinely unsure and still be leaning his weight on Jesus — and Jesus treats that as enough.
Ask For Wisdom
James 1:5 · KJV
If any of you lack wisdom, let him ask of God, that giveth to all men liberally, and upbraideth not; and it shall be given him.
In plain English
When you don’t know what to do, ask God for wisdom. He gives generously without shaming you.
Pray
God, I do not always feel certain. Let me lean my weight on you anyway. Amen.
Write it down
Does your faith feel more like an opinion you hold or something you are standing on?
Lean your weight
Faith is not how sure you feel. It is who you are holding onto.
Which passages does this journey use?
3 passages, drawn from Hebrews 11:1, Mark 9:24, James 1:5. Every verse appears here in the King James text with a plain-English line beside it, so you can read it without a commentary open. Allow about 8 minutes for the whole thing, or 9 short sittings.
- Hebrews 11:1
- Mark 9:24
- James 1:5
Read any of these in full on the complete KJV, or look the wording up independently at Blue Letter Bible.