### Core Meaning & Semantic Range
The Greek word **phrontízō**, represented by `{{G5431}}`, means **to exercise thought** or **be careful**. It appears only **1 time** in **1 unique verse** in the Bible. Its definition highlights a deliberate mental effort, focusing one's mind on a particular matter with a sense of care or concern.
### Biblical Occurrences & Contextual Analysis
The sole appearance of `{{G5431}}` is in [[Titus 3:8]], where it is a key instruction within a "faithful{G4103} saying{G3056}". The verse states that those who have **believed** in God `{{G4100}}` should **be careful** to maintain good works. This command is something to be "affirmed constantly{G1226}", emphasizing that the act of being careful is a direct and necessary outcome of faith, intended to be a consistent practice for believers.
### Related Words & Concepts
Several related words in the same passage clarify the context of this careful thought:
* `{{G4291}}` **proḯstēmi** (to stand before... to practise): This word is directly paired with `{{G5431}}` as "to **maintain**," indicating that the careful thought should lead to an active practice or presiding over one's actions. It is also used to describe those who "rule" [[Romans 12:8]].
* `{{G2041}}` **érgon** (toil... an act): This defines the object of the carefulness, specifically "good **works**." These actions are presented as the tangible result of a believer's careful focus, and they are described as "good{G2570} and{G2532} profitable unto men{G444}" [[Titus 3:8]].
* `{{G4100}}` **pisteúō** (to have faith): This identifies the subjects of the command. The instruction to "be careful" is given specifically to "they which have **believed** in God" [[Titus 3:8]], establishing belief as the foundation for these deliberate actions.
### Theological Significance
The theological weight of `{{G5431}}` is significant despite its rarity, as it highlights the connection between inner conviction and outward practice.
* **Intentional Faith:** The command to "be careful" demonstrates that Christian faith is not passive. It requires exercising thought and intentionality to produce "good{G2570} works{G2041}," which are the expected fruit of a relationship with God.
* **Profitable Action:** The careful maintenance of good works is explicitly stated to be "good{G2570} and{G2532} profitable unto men{G444}" [[Titus 3:8]]. This shows that the believer's focused efforts have a tangible, beneficial purpose and are a reflection of their faith.
* **The Fruit of Belief:** The structure of the command in [[Titus 3:8]] makes it clear that being careful to maintain good works is the direct consequence of having "believed{G4100} in God{G2316}". The thought process implied by `{{G5431}}` is the bridge between one's faith and one's deeds.
### Summary
In summary, `{{G5431}}` encapsulates the concept of a deliberate, thoughtful application of faith. Its singular use in scripture presents a powerful charge: that belief in God must be coupled with a careful and consistent effort **to maintain** `{{G4291}}` good **works** `{{G2041}}`. The word bridges the gap between internal belief and external action, underscoring that a foundational aspect of the Christian life is to consciously and carefully live in a way that is profitable to others.
TRV