BENT a.
as to be resolved, determined, set, etc.; -- said of the mind, character, disposition, desires, etc., and used with on; as, to be bent on going to college; he is bent on mischief.
BEST a.
Having good qualities in the highest degree; most good, kind, desirable, suitable, etc.; most excellent; as, the best man; the best road; the best cloth; the best abilities. When he is best, he is a little worse than a man. Shak. Heaven's last, best gift, my ever new delight. Milton.