Mark 4:33
With many such parables he spoke the word to them, as they were able to hear it.
John 16:12
"I still have many things to say to you, but you cannot bear them now.
Matthew 13:34-35
All these things Jesus said to the crowds in parables; indeed, he said nothing to them without a parable.
1 Corinthians 3:1-2
But I, brothers, could not address you as spiritual people, but as people of the flesh, as infants in Christ.
Hebrews 5:11-14
About this we have much to say, and it is hard to explain, since you have become dull of hearing.