νεφρός (nephros)
nephros
mind
Quick Reference
- Language
- Koine Greek
- Testament
- New Testament
- Occurrences
- 1 verses
- Root
- —
Word Overview
The noun nephros literally means "kidney" or "reins." In ancient thought, these organs were not seen merely as biological filters but as the deep center of a person’s inner life. The sources note that this term appears in the Septuagint to translate the Hebrew word for kidneys, which is frequently used metaphorically to describe the seat of emotion and will.
In the New Testament, this physical organ becomes a symbol for the hidden depths of the human soul. It represents the core of one’s thoughts, feelings, and purposes, lying beneath surface-level behavior. This usage highlights that true character is formed in these inner chambers, where intentions are kept secret from others but known fully by God.
The word occurs only once in the New Testament, in Revelation 2:23. Here, Jesus declares that He searches "the minds and hearts" (literally "kidneys and hearts") of people. This single instance underscores the theological weight of the term: it describes a divine scrutiny that penetrates beyond outward appearance to examine the most private motives and affections of the soul.
Based on public-domain lexicons (Strong's, Thayer, Gesenius, Brown-Driver-Briggs and others).
What This Word Means for Your Faith
The Greek word nephros literally refers to kidneys, yet in biblical thought it points to the deepest center of our inner life. Ancient readers understood these organs not as mere biological filters, but as the seat of emotion, will, and hidden motives. When Scripture speaks of God searching the nephros, it describes a scrutiny that goes far beyond outward behavior to examine the private intentions of the soul.
This truth offers both comfort and clarity. You do not need to perform perfection for others to see your value. Your struggles, secret doubts, and genuine desires are known fully by God, who looks at the core of who you are rather than just your public image. This intimate knowledge is not meant to frighten you, but to assure you that no part of your life is hidden from His care.
In Revelation 2:23, Jesus declares that He searches the minds and hearts of people. This promise reminds us that our true character is formed in these inner chambers. We can rest in the fact that God sees us completely—flaws and all—and still offers grace according to our deeds and faith.
How it's translated
How this word is rendered word-by-word in the 1 verses where it appears, by frequency.
- affections1×
Forms in the text
The inflected forms of this word as they appear in Scripture, by frequency.
- νεφροὺς1×
Key Verses
-
Revelation of John 2:23
I will kill her children with Death, and all the assemblies will know that I am he who searches the minds and hearts. I will give to each one of you according to your deeds.
This verse uniquely pairs nephros with 'hearts' to emphasize that Jesus examines both the emotional center and the hidden motives of individuals.