1 Corinthians 3:2

I gave you milk to drink, not solid food. For you were not yet able. And indeed, even now, you are not able; for you are still carnal

Other versions

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.

I fed you with milk, not solid food, for you were not ready for it. And even now you are not yet ready,

I gave you milk, not solid food, for you were not yet ready for it. Indeed, you are still not ready.