Science is nothing but developed perception, interpreted intent, common sense rounded out and minutely articulated.
George SantayanaProgress, far from consisting in change, depends on retentiveness. When change is absolute there remains no being to improve and no direction is set for possible improvement: and when experience is not retained, as among savages, infancy is perpetual.
George SantayanaHappiness is the only sanction of life; where happiness fails, existence remains a mad and lamentable experiment.
George Santayana