Proverbs 26:26 in the World English Bible
His malice may be concealed by deception, but his wickedness will be exposed in the assembly.
Context
25 When he speaketh fair, believe him not: for there are seven abominations in his heart.
26 Whose hatred is covered by deceit, his wickedness shall be shewed before the whole congregation.
27 Whoso diggeth a pit shall fall therein: and he that rolleth a stone, it will return upon him.