My grace is sufficient for you, for power is made perfect in weakness.” So, I will boast all the more gladly of my weaknesses, so that the power of Christ may dwell in me. (2 Cor 12:9)
And the master commended that dishonest steward for acting prudently. "For the children of this world are more prudent in dealing with their own generation than are the children of light.” Luke 16:8