No one tests the depth of the river with both feet.

Understand the thought

Meaning in plain English

Testing a river’s depth with both feet rejected in the image favours caution before full commitment. The saying questions an assessment that exposes everything it is meant to protect.

What the words are saying

The wording is not a river-crossing or water-safety method. A responsible application can concern a bounded trial of a task while recognising that not every situation permits testing. A metaphor cannot establish a safe procedure or require someone to accept a lesser risk.

Everyday example

A team evaluates a small reversible version of a proposal before making a larger commitment.

When to use it

Use it as a caution-before-commitment image without literal water guidance.

Agent-assisted editorial interpretation. This explains the words; it does not by itself verify their author or earliest origin.