1 Corinthians 3:2

I fed you milk, not meat; for you were unable to bear it.

John 16:12

"I have yet many things to say to you, but you cannot bear them just now.

1 Peter 2:2

Like new-born babes long for the pure spiritual milk to make you grow up into salvation;

Hebrews 5:11-14

Concerning him I have much to say, and much that is hard to make clear to you, because you have grown dull of hearing.

Treasury of Scripture Knowledge

Summary

I have fed you with milk, and not with meat: for hitherto ye were not able to bear it, neither yet now are ye able.

General references

Bible References

Fed

Hebrews 5:12
And this too, although you ought by this time to be teaching others, you are still needing some one to teach you the very rudiments of divine revelation. You need milk, not solid food.
1 Peter 2:2
Like new-born babes long for the pure spiritual milk to make you grow up into salvation;

General references

Mark 7:18
"Are even you without understanding?" he said. "Do you not perceive that nothing whatever from without can defile a man by entering him,