Paul R. Hill Professions : Developer Born : 1909 Died : 1990 Browse All Authors Famous Quotes by Paul R. Hill Life is but one continual course of instruction. The hand of the parent writes on the heart of the child the first faint characters which time deepens into strength so that nothing can efface them. Paul R. Hill heart writing children Similar Authors Andy Rubin developer Alan Kotok developer Ernst Stuhlinger developer Kathy Sierra developer Karl Lehenbauer developer Tom Christiansen developer All Authors