1Cor.3.2  I fed you with milk, not solid food; for you were not ready for it; and even yet you are not ready,
1Cor.9.7  Who serves as a soldier at his own expense? Who plants a vineyard without eating any of its fruit? Who tends a flock without getting some of the milk?
Heb.5.12  For though by this time you ought to be teachers, you need some one to teach you again the first principles of God's word. You need milk, not solid food;
Heb.5.13  for every one who lives on milk is unskilled in the word of righteousness, for he is a child.
1Pet.2.2  Like newborn babes, long for the pure spiritual milk, that by it you may grow up to salvation;