For it is a shame even to speak of those things which are done of them in secret.
2 Kings 17:9
And the children of Israel did secretly those things that were not right against the LORD their God, and they built them high places in all their cities, from the tower of the watchmen to the fenced city.
Then said he unto me, Son of man, hast thou seen what the ancients of the house of Israel do in the dark, every man in the chambers of his imagery? for they say, The LORD seeth us not; the LORD hath forsaken the earth.
Stolen waters are sweet, and bread eaten in secret is pleasant.
Which remain among the graves, and lodge in the monuments, which eat swine's flesh, and broth of abominable things is in their vessels;
They encourage themselves in an evil matter: they commune of laying snares privily; they say, Who shall see them?
And there came an angel of the LORD, and sat under an oak which was in Ophrah, that pertained unto Joash the Abiezrite: and his son Gideon threshed wheat by the winepress, to hide it from the Midianites.
And toward her young one that cometh out from between her feet, and toward her children which she shall bear: for she shall eat them for want of all things secretly in the siege and straitness, wherewith thine enemy shall distress thee in thy gates.
And Joshua the son of Nun sent out of Shittim two men to spy secretly, saying, Go view the land, even Jericho. And they went, and came into an harlot's house, named Rahab, and lodged there.
2 Samuel 12:12
For thou didst it secretly: but I will do this thing before all Israel, and before the sun.
Thou didst strike through with his staves the head of his villages: they came out as a whirlwind to scatter me: their rejoicing was as to devour the poor secretly.
After two days was the feast of the passover, and of unleavened bread: and the chief priests and the scribes sought how they might take him by craft, and put him to death.
Jesus therefore walked no more openly among the Jews; but went thence unto a country near to the wilderness, into a city called Ephraim, and there continued with his disciples.
Then they suborned men, which said, We have heard him speak blasphemous words against Moses, and against God.
And I will give thee the treasures of darkness, and hidden riches of secret places, that thou mayest know that I, the LORD, which call thee by thy name, am the God of Israel.
My substance was not hid from thee, when I was made in secret, and curiously wrought in the lowest parts of the earth.
But when thou doest alms, let not thy left hand know what thy right hand doeth:
But when his brethren were gone up, then went he also up unto the feast, not openly, but as it were in secret.
Then Joseph her husband, being a just man, and not willing to make her a publick example, was minded to put her away privily.
That thine alms may be in secret: and thy Father which seeth in secret himself shall reward thee openly.
A gift in secret pacifieth anger: and a reward in the bosom strong wrath.
But if ye will not hear it, my soul shall weep in secret places for your pride; and mine eye shall weep sore, and run down with tears, because the LORD'S flock is carried away captive.