1 Kings 8:38-39

38what prayer and supplication soever be made by any man, or by all thy people Israel, who shall know every man the plague of his own heart, and spread forth his hands toward this house: 39then hear thou in heaven thy dwelling-place, and forgive, and do, and render unto every man according to all his ways, whose heart thou knowest; (for thou, even thou only, knowest the hearts of all the children of men;)