利令智昏

1.bend one's principles to one's interest; Avarice blinds the eye of judgment.; be blinded by inordinate ambition; be blinded by self-interest; be blinded by the love of gain; be dizzied by the lust for gain; be obsessed with one's desire for material gains; be purblind owing to one's lust for profits; be thrown off one's balance by the sight of money; blind oneself with inordinate ambition; Desire for money blinds one's mind.; Gain blinds one's better judgment.; Money tends to make someone do foolish things.; One is so obsessed with the idea of profit-making that one loses all sense of reality.; Profit makes wisdom blind.; Self-interest befuddles one's mind.; Self-interest blinds the eyes.; When greed enters the door, reason flies out of the window.