He was careful to instruct him in such an affable, kind, and gentle way, that he easily prevailed with him to consider studying, not so much as a duty of obedience to his superiors, but as the way to purchase for himself a most delightsom and invaluable good. In effect, he soon created in Philaretus so strong a passion to acquire knowledge, that what time he could spare from a scholar's task, which his retentive memory made him not find uneasy, he would usually employ so greedily in reading, that his master would sometimes be necessitated to force him out to play, on which, and upon study, he looked, as if their natures were inverted.
Robert Boyle Robert Boyle: By Himself and His Friends: With a Fragment of William Wotton's 'Lost Life of Boyle'