He did not tell them anything without using a parable. But privately He explained everything to His own disciples.

Matthew 13:34
Jesus spoke all these things to the crowds in parables. He did not tell them anything without using a parable.

Mark 4:33
With many such parables Jesus spoke the word to them, to the extent that they could understand.

Luke 24:27
And beginning with Moses and all the Prophets, He explained to them what was written in all the Scriptures about Himself.

John 10:6
Jesus spoke to them using this illustration, but they did not understand what He was telling them.

John 16:25
I have spoken these things to you in figures of speech. An hour is coming when I will no longer speak to you this way, but will tell you plainly about the Father.

Acts 28:23
So they set a day to meet with Paul, and many people came to the place he was staying. He expounded to them from morning to evening, testifying about the kingdom of God and persuading them about Jesus from the Law of Moses and the Prophets.

But without a parable spoke he not to them: and when they were alone, he expounded all things to his disciples.