Luke 9:36
After the voice had spoken, Jesus was alone. The disciples kept silent and at that time told no one about what they had seen.
Matthew 17:9
On their way down the mountain, Jesus ordered them, "Don't tell anyone about this vision until the Son of Man has been raised from the dead."
Ecclesiastes 3:7
a time to tear, and a time to mend; a time to be silent, and a time to speak;
Mark 9:6
(Peter didn't know how to respond, because they were terrified.)
Mark 9:9-10
On their way down the mountain, Jesus ordered them not to tell anyone what they had seen until the Son of Man had risen from the dead.