And, although I got a Ph.D. in philosophy many years ago and have thought and read about these matters ever since, heaven (or whatever) knows I don't have too many answers that I feel confident about.
( And ( , ( ( although ( I ( ( ( ( got ( a Ph.D. ) ) ( ( in philosophy ) ( ( many years ) ago ) ) ) and ) ( have ( ( ( ( thought and ) read ) ( about ( these matters ) ) ) ( ever since ) ) ) ) ) ) ( , ( ( heaven ( -LRB- ( ( or whatever ) -RRB- ) ) ) ( ( knows ( I ( ( do n't ) ( ( have ( ( too many ) answers ) ) ( that ( I ( feel ( confident about ) ) ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (CC And) (, ,) (SBAR (IN although) (S (NP (PRP I)) (VP (VP (VBD got) (NP (DT a) (NNP Ph.D.)) (PP (IN in) (NP (NN philosophy)) (ADVP (NP (JJ many) (NNS years)) (RB ago)))) (CC and) (VP (VBP have) (VP (VBN thought) (CC and) (VBN read) (PP (IN about) (NP (DT these) (NNS matters))) (ADVP (RB ever) (IN since))))))) (, ,) (NP (NP (NN heaven)) (PRN (-LRB- -LRB-) (NP (QP (CC or) (CD whatever))) (-RRB- -RRB-))) (VP (VBZ knows) (SBAR (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB have) (NP (ADJP (RB too) (JJ many)) (NNS answers)) (SBAR (IN that) (S (NP (PRP I)) (VP (VBP feel) (ADJP (JJ confident) (IN about)))))))))) (. .)))
I have been thinking about this since I earned my degree, but I still don't know for sure.
( ( ( ( ( I ( have ( been ( ( thinking ( about this ) ) ( since ( I ( earned ( my degree ) ) ) ) ) ) ) ) , ) but ) ( I ( still ( ( do n't ) ( know ( for sure ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP I)) (VP (VBP have) (VP (VBN been) (VP (VBG thinking) (PP (IN about) (NP (DT this))) (SBAR (IN since) (S (NP (PRP I)) (VP (VBD earned) (NP (PRP$ my) (NN degree))))))))) (, ,) (CC but) (S (NP (PRP I)) (ADVP (RB still)) (VP (VBP do) (RB n't) (VP (VB know) (PP (IN for) (ADJP (JJ sure)))))) (. .)))