The world's sewage system threatens to contaminate the stream of Christian thought. Satan will contest every hour you spend in Bible reading or prayer.
- Billy Graham
What happens when the Church ceases to stand for truth or to live holy lives separate from the world? When that type of wrong doctrine gains ascendancy, it produces a weak Church so contaminated with spiritual sickness that very little power remains in it.
- Rick Renner
pride (superbia) is not only by itself our primal sin: it also inwardly contaminates all intrinsically good dispositions and robs every virtue of its value before God.
- Dietrich von Hildebrand
He that toucheth pitch shall be defiled therewith.