Mark 4:34

and He did not speak to them without a parable; but He was explaining everything privately to His own disciples.

John 16:25

“These things I have spoken to you in figurative language; an hour is coming when I will no longer speak to you in figurative language, but will tell you plainly of the Father.

Matthew 13:36-43

Then He left the crowds and went into the house. And His disciples came to Him and said, “Explain to us the parable of the tares of the field.”

Matthew 15:15-20

Peter said to Him, “Explain the parable to us.”

Mark 4:10

As soon as He was alone, His followers, along with the twelve, began asking Him about the parables.

Luke 24:27

Then beginning with Moses and with all the prophets, He explained to them the things concerning Himself in all the Scriptures.

Mark 7:17-23

When he had left the crowd and entered the house, His disciples questioned Him about the parable.

Luke 8:9-10

His disciples began questioning Him as to what this parable meant.

Luke 24:44-46

Now He said to them, These are My words which I spoke to you while I was still with you, that all things which are written about Me in the Law of Moses and the Prophets and the Psalms must be fulfilled.”

Treasury of Scripture Knowledge

Summary

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

Bible References

When

Mark 4:10
As soon as He was alone, His followers, along with the twelve, began asking Him about the parables.
Mark 7:17
When he had left the crowd and entered the house, His disciples questioned Him about the parable.
Matthew 13:36
Then He left the crowds and went into the house. And His disciples came to Him and said, “Explain to us the parable of the tares of the field.”
Matthew 15:15
Peter said to Him, “Explain the parable to us.”
Luke 8:9
His disciples began questioning Him as to what this parable meant.
Luke 24:27
Then beginning with Moses and with all the prophets, He explained to them the things concerning Himself in all the Scriptures.

General references

Ezekiel 17:2
“Son of man, propound a riddle and speak a parable to the house of Israel,
Matthew 13:34
All these things Jesus spoke to the crowds in parables, and He did not speak to them without a parable.
Matthew 22:1
Jesus spoke to them again in parables, saying,
Mark 4:10
As soon as He was alone, His followers, along with the twelve, began asking Him about the parables.
Mark 7:17
When he had left the crowd and entered the house, His disciples questioned Him about the parable.