Matthew 17:9
"And as they came down from the mountain, Jesus charged them, saying, Tell the vision to no man, until the Son of man be risen again from the dead."
Cross References (ranked by relevance)
And he charged them that they should tell no man of him.
But I say unto you, That Elias is come already, and they knew him not, but have done unto him whatsoever they listed. Likewise shall also the Son of man suffer of them.
And Jesus saith unto him, See thou tell no man; but go thy way, shew thyself to the priest, and offer the gift that Moses commanded, for a testimony unto them.
And Jesus saith unto him, The foxes have holes, and the birds of the air have nests; but the Son of man hath not where to lay his head.
And they shall kill him, and the third day he shall be raised again. And they were exceeding sorry.
And her parents were astonished: but he charged them that they should tell no man what was done.