Luke 9:36

And when the voice had come, Jesus was found alone. And they kept it secret, and told no one in those days anything of what they had seen.

Matthew 17:9

And as they came down from the mountain, Jesus charged them, saying, Tell what hath been seen to no one, until the Son of man hath risen from the dead.

Mark 9:6

For he knew not what to answer; for they were struck with terror.

Mark 9:9-10

And as they came down from the mountain, he charged them to give no account of what they had seen to any one, till the Son of man should have risen 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 as they came down from the mountain, Jesus charged them, saying, Tell what hath been seen to no one, until the Son of man hath risen from the dead.
Mark 9:6
For he knew not what to answer; for they were struck with terror.

General references

Mark 9:8
And suddenly looking round, they no longer saw any one but Jesus alone with themselves.