1CO 3:2

2 I did not [teach] you [things that were difficult for you to understand, just like a woman does not] give [her baby] solid food [that the baby cannot chew and digest]. [And just like a woman] ◄[gives her baby milk/breast-feeds her baby]►, [I taught you simple spiritual concepts], because at that time you were not able to understand difficult things. And you are still not able to understand difficult concepts,