Reference
+Proverbs 11:13 Whoever goes about slandering reveals secrets, but he who is trustworthy in spirit keeps a thing covered.

+Job 5:12 He frustrates the devices of the crafty, so that their hands achieve no success

+Psalm 25:14 The friendship of the Lord is for those who fear him, and he makes known to them his covenant.

Further reading
Exodus 30
Luke  14
2 Kings 1