Hebrews:5:13-14
nkjv@Hebrews:5:13 @ For everyone who partakes only of milk is unskilled in the word of righteousness, for he is a babe.
nkjv@Hebrews:5:14 @ But solid food belongs to those who are of full age, that is, those who by reason of use have their senses exercised to discern both good and evil.