Большинство учителей настолько преданы своей работе и в частном порядке думают, что они не могут, как признать это открыто, что они служат человечеству делая самую важную работу из всех
Most teachers are so brought to his work and privately think that they may not like to admit it openly, that they serve humanity by doing the most important job of all
Most teachers are so committed to their work and privately think that they may not like to admit it openly, that they serve mankind by doing the most important job of all