Luke 9:36

And, when the voice came, Jesus was found alone. And they kept silent, and told no one, in those days, any of the things which they had seen.

Matthew 17:9

And, as they were coming down out of the mountain, Jesus commanded them, saying, "Tell the vision to no one, until the Son of Man be raised from among the dead."

Mark 9:6

for he knew not what to answer, for they became much afraid.

Mark 9:9-10

And, as they were coming down from the mountain, He charged them that they should tell no one what they saw, until the Son of Man should arise 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 were coming down out of the mountain, Jesus commanded them, saying, "Tell the vision to no one, until the Son of Man be raised from among the dead."
Mark 9:6
for he knew not what to answer, for they became much afraid.

General references

Mark 9:8
And, suddenly looking around, they no longer saw with themselves any one, except Jesus only.