Luke 9:36

And, as the voice ceased, Jesus was found alone. The Apostles kept silence, and told no one about any of the things that they had seen.

Matthew 17:9

As they were going down the mountain side, Jesus gave them this warning-- "Do not speak of this vision to any one, until the Son of Man has risen from the dead."

Mark 9:6

For he did not know what to say, because they were much afraid.

Mark 9:9-10

As they were going down the mountain-side, Jesus cautioned them not to relate what they had seen to any one, till after the Son of Man should have risen again from the dead.

Treasury of Scripture Knowledge

Summary

And when the voice was past, Jesus was found alone. And they kept it close, and told no man in those days any of those things which they had seen.

General references

Bible References

And they

Matthew 17:9
As they were going down the mountain side, Jesus gave them this warning-- "Do not speak of this vision to any one, until the Son of Man has risen from the dead."
Mark 9:6
For he did not know what to say, because they were much afraid.

General references

Mark 9:8
And suddenly, on looking round, they saw that there was now no one with them but Jesus alone.