Mark 4:34

and without a simile he was not speaking to them, and by themselves, to his disciples he was expounding all.

John 16:25

'These things in similitudes I have spoken to you, but there cometh an hour when no more in similitudes will I speak to you, but freely of the Father, will tell you.

Matthew 13:36-43

Then having let away the multitudes, Jesus came to the house, and his disciples came near to him, saying, 'Explain to us the simile of the darnel of the field.'

Matthew 15:15-20

And Peter answering said to him, 'Explain to us this simile.'

Mark 4:10

And when he was alone, those about him, with the twelve, did ask him of the simile,

Luke 24:27

and having begun from Moses, and from all the prophets, he was expounding to them in all the Writings the things about himself.

Mark 7:17-23

And when he entered into a house from the multitude, his disciples were questioning him about the simile,

Luke 8:9-10

And his disciples were questioning him, saying, 'What may this simile be?'

Luke 24:44-46

and he said to them, 'These are the words that I spake unto you, being yet with you, that it behoveth to be fulfilled all the things that are written in the Law of Moses, and the Prophets, and the Psalms, about me.'

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
And when he was alone, those about him, with the twelve, did ask him of the simile,
Mark 7:17
And when he entered into a house from the multitude, his disciples were questioning him about the simile,
Matthew 13:36
Then having let away the multitudes, Jesus came to the house, and his disciples came near to him, saying, 'Explain to us the simile of the darnel of the field.'
Matthew 15:15
And Peter answering said to him, 'Explain to us this simile.'
Luke 8:9
And his disciples were questioning him, saying, 'What may this simile be?'
Luke 24:27
and having begun from Moses, and from all the prophets, he was expounding to them in all the Writings the things about himself.

General references

Ezekiel 17:2
'Son of man, put forth a riddle, and use a simile unto the house of Israel,
Matthew 13:34
All these things spake Jesus in similes to the multitudes, and without a simile he was not speaking to them,
Matthew 22:1
And Jesus answering, again spake to them in similes, saying,
Mark 4:10
And when he was alone, those about him, with the twelve, did ask him of the simile,
Mark 7:17
And when he entered into a house from the multitude, his disciples were questioning him about the simile,