Luke 9:36

And when the voice ceased, Jesus was found alone. And they held their peace, and told no man in those days a word of the things which they had seen.

Matthew 17:9

And when they were coming down from the mountain, Jesus commanded them, saying, Tell no man the vision, until the Son of man is risen from the dead.

Mark 9:6

For he knew not what he should say: for they were very much affrighted.

Mark 9:9-10

And as they were coming down from the mountain, he strictly charged them, that they should tell no man what they had seen, till after the Son of man should have arisen 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
And when they were coming down from the mountain, Jesus commanded them, saying, Tell no man the vision, until the Son of man is risen from the dead.
Mark 9:6
For he knew not what he should say: for they were very much affrighted.

General references

Mark 9:8
And instantly looking round, they saw no man any longer with them, but Jesus only.