NASB 1995
For everyone who partakes only of milk is not accustomed to the word of righteousness, for he is an infant.

American Standard Version
For every one that partaketh of milk is without experience of the word of righteousness; for he is a babe.

Berean Study Bible
For everyone who lives on milk is still an infant, inexperienced in the message of righteousness.

Douay-Rheims Bible
For every one that is a partaker of milk, is unskillful in the word of justice: for he is a little child.

English Revised Version
For every one that partaketh of milk is without experience of the word of righteousness; for he is a babe.

King James Bible
For every one that useth milk is unskilful in the word of righteousness: for he is a babe.

World English Bible
For everyone who lives on milk is not experienced in the word of righteousness, for he is a baby.

Young's Literal Translation
for every one who is partaking of milk is unskilled in the word of righteousness -- for he is an infant,

Hebrews 5:13 Additional Translations ...