1 Corinthians 3:2

I have fed you with milk, and not with meat: for hitherto ye were not able to bear it, nor have you yet sufficient strength.

John 16:12

I have yet many things to tell you, but ye cannot bear them now;

1 Peter 2:2

which is without any mixture, and will make you thrive. Since you have tasted how good the Lord is,

Hebrews 5:11-14

On this head we have many things to say, not easily to be comprehended, because of your prejudices.

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
for though by this time you ought to be capable of teaching others, you want to be instructed anew in the first principles of the divine oracles; and are in such a state as to stand in need of milk, rather than of solid nourishment.
1 Peter 2:2
which is without any mixture, and will make you thrive. Since you have tasted how good the Lord is,

General references

Mark 7:18
and he said, are you likewise so void of understanding? don't you perceive that what passes from without into a man cannot defile him?