Psalms 73:13

"What is the Almighty, that we should serve him? and what profit should we have, if we pray unto him?"

"I will wash mine hands in innocency: so will I compass thine altar, O LORD:"

"For he hath said, It profiteth a man nothing that he should delight himself with God."

"For thou saidst, What advantage will it be unto thee? and, What profit shall I have, if I be cleansed from my sin? if...: or, by it more than by my sin"

"Create in me a clean heart, O God; and renew a right spirit within me."

"Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded."

"Ye have said, It is vain to serve God: and what profit is it that we have kept his ordinance, and that we have walked mournfully before the LORD of hosts?"

"He that hath clean hands, and a pure heart; who hath not lifted up his soul unto vanity, nor sworn deceitfully. He...: Heb. The clean of hands"

"If I say, I will forget my complaint, I will leave off my heaviness, and comfort myself:"