craftiness: The quality or character of being crafty; artfulness; dexterity in devising and effecting a purpose; cunning; artifice; stratagem.
For the wisdom of this world is foolishness with God. For it is written, “He catches the wise in theirowncraftiness”; New American Standard Bible For the wisdom of this world is foolishness in the sight of God. For it is written: “He isTHE ONE WHO CATCHES THE WISE BY THEIR CRAFTI...
Preposition Strong's Greek 1722:In, on, among. A primary preposition denoting position, and instrumentality, i.e. A relation of rest; 'in, ' at, on, by, etc. the τῇ(tē) Article - Dative Feminine Singular Strong's Greek 3588:The, the definite article. Including the feminine he, ...