John 16:12
"I still have many things to tell you, but you cannot bear [to hear] them at present.
Mark 4:33
And He spoke "the word" to them [i.e., the crowds] with as many such parables as they were able to receive.
John 14:30
I will not speak with you very much anymore because the ruler of the world [i.e., Satan] is coming, and he has no control over me.
John 15:15
I do not call you slaves anymore, for a slave does not know what his master is doing. But I have called you friends, because I have told you everything that I heard from my Father.
Acts 1:3
Now, following His death on the cross [and resurrection], Jesus appeared alive [to His apostles] for forty days, and demonstrated by many convincing proofs [that He had been raised bodily from the dead]. [During that time] He also spoke to them about the [coming] kingdom of God.
1 Corinthians 3:1-2
And I could not speak to you, brothers, as I would to spiritual people, but [I have to speak to you] as I would to worldly people, for you are immature children in [the fellowship of] Christ.
Hebrews 5:11-14
[Now] we have many things to say about Melchizedek, but because of your slowness to grasp things, they are hard to explain.