Mark 4:33
And with many such parables spake he the word unto them, as they were able to hear it;
John 16:12
I have yet many things to say unto you, but ye cannot bear them now.
Matthew 13:34-35
All these things spake Jesus in parables unto the multitudes; and without a parable spake he nothing unto them:
1 Corinthians 3:1-2
And I, brethren, could not speak unto you as unto spiritual, but as unto carnal, as unto babes in Christ.
Hebrews 5:11-14
Of whom we have many things to say, and hard of interpretation, seeing ye are become dull of hearing.