Historically, the bulk of the human race has never known a classroom, let alone a cloister or an ivory tower, or met up with teachers empowered by letters after their names.
( Historically ( ( , ( ( ( ( the bulk ) ( of ( the ( human race ) ) ) ) ( ( has never ) ( known ( a classroom ) ) ) ) , ) ) ( ( ( ( ( let ( ( ( alone ( a cloister ) ) or ) ( an ( ivory tower ) ) ) ) , ) or ) ( ( ( met up ) ( with ( teachers ( empowered ( by letters ) ) ) ) ) ( after ( their names ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Historically)) (PRN (, ,) (S (NP (NP (DT the) (NN bulk)) (PP (IN of) (NP (DT the) (JJ human) (NN race)))) (VP (VBZ has) (ADVP (RB never)) (VP (VBN known) (NP (DT a) (NN classroom))))) (, ,)) (VP (VP (VBD let) (NP (NP (RB alone) (DT a) (NN cloister)) (CC or) (NP (DT an) (JJ ivory) (NN tower)))) (, ,) (CC or) (VP (VBD met) (PRT (RP up)) (PP (IN with) (NP (NP (NNS teachers)) (VP (VBN empowered) (PP (IN by) (NP (NNS letters)))))) (PP (IN after) (NP (PRP$ their) (NNS names))))) (. .)))
The advent of formal education has vastly benefited the human race.
( ( ( The advent ) ( of ( formal education ) ) ) ( ( ( has vastly ) ( benefited ( the ( human race ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN advent)) (PP (IN of) (NP (JJ formal) (NN education)))) (VP (VBZ has) (ADVP (RB vastly)) (VP (VBN benefited) (NP (DT the) (JJ human) (NN race)))) (. .)))