Pernicious- causing insidious harm or ruin; ruinous; injurious; hurtful
Perspicacious- having keen mental perception and understanding; discerning
Pervicacious- extremely willful; obstinate; stubborn
How can it be that you, my king, would die for me? -Therefore I will boast all the more gladly about my weaknesses, so that Christ's power may rest on me. - But by the grace of God I am what I am, and his grace to me was not without effect. - Whatever was to my profit I now consider loss for the sake of Christ.