'Secret' in the Bible

He told them, "The secret about the kingdom of God has been given to you. But to those on the outside, everything comes in parables

Nothing is hidden except for the purpose of having it revealed, and nothing is secret except for the purpose of having it come to light.

Jesus left that place and went to the territory of Tyre and Sidon. He went into a house, not wanting anyone to know he was there. However, it couldn't be kept a secret.