nothing
Luke 12:2
"But there is nothing covered up that will not be revealed, and hidden that will not be known.
Luke 12:3
"Accordingly, whatever you have said in the dark will be heard in the light, and what you have whispered in the inner rooms will be proclaimed upon the housetops.
Ecclesiastes 12:14
For God will bring every act to judgment, everything which is hidden, whether it is good or evil.
Matthew 10:26
"Therefore do not fear them, for there is nothing concealed that will not be revealed, or hidden that will not be known.
1 Corinthians 4:5
Therefore do not go on passing judgment before the time, [but wait] until the Lord comes who will both bring to light the things hidden in the darkness and disclose the motives of [men's] hearts; and then each man's praise will come to him from God.