( ( Of course ) ( , ( ( most ( if ( ( ( not all ) ( of ( these premises ) ) ) ( are ( based ( ( ( on ( ( ( ( ( ( human experience ) , ) insights ) , ) and ) intuitions ) ) but ) ( for ( ( a variety ) ( of ( complex reasons ) ) ) ) ) ) ) ) ) ) ( ( ( can not ) ( be ( settled ( for ( all time ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Of) (NP (NN course))) (, ,) (NP (NP (JJS most)) (SBAR (IN if) (S (NP (NP (RB not) (DT all)) (PP (IN of) (NP (DT these) (NNS premises)))) (VP (VBP are) (VP (VBN based) (PP (PP (IN on) (NP (NP (JJ human) (NN experience)) (, ,) (NP (NNS insights)) (, ,) (CC and) (NP (NNS intuitions)))) (CC but) (PP (IN for) (NP (NP (DT a) (NN variety)) (PP (IN of) (NP (JJ complex) (NNS reasons))))))))))) (VP (MD can) (RB not) (VP (VB be) (VP (VBN settled) (PP (IN for) (NP (DT all) (NN time)))))) (. .)))
Of course, most if not all of these premises are based on human experience, insights, and intuitions but for a variety of complex reasons cannot be settled for all time.
(ROOT (S (NP (NNP Insight) (NNP learning)) (VP (VBZ is) (VP (VBN based) (PP (IN on) (NP (JJ past) (NN experience) (CC and) (NN reasoning))))) (. .)))