( ( From ( the ( Symmetric Principle ) ) ) ( , ( gravity ( ( can ( be ( ( ( ( viewed ( as ( a warpage ) ) ) ( by ( mass ( of ( the ( time field ) ) ) ) ) ) , ) ( with ( objects ( moving ( along ( ( the ( least ( time path ) ) ) ( -LRB- ( ( similar ( to ( ( ( ( Fermat 's ) ( least ( time optics ) ) ) or ) ( ( Feynman 's ) ( least ( action mechanics ) ) ) ) ) ) -RRB- ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN From) (NP (DT the) (NNP Symmetric) (NNP Principle))) (, ,) (NP (NN gravity)) (VP (MD can) (VP (VB be) (VP (VBN viewed) (PP (IN as) (NP (DT a) (NN warpage))) (PP (IN by) (NP (NP (NN mass)) (PP (IN of) (NP (DT the) (NN time) (NN field))))) (, ,) (PP (IN with) (NP (NP (NNS objects)) (VP (VBG moving) (PP (IN along) (NP (NP (DT the) (JJS least) (NN time) (NN path)) (PRN (-LRB- -LRB-) (ADJP (JJ similar) (PP (TO to) (NP (NP (NP (NNP Fermat) (POS 's)) (JJS least) (NN time) (NN optics)) (CC or) (NP (NP (NNP Feynman) (POS 's)) (JJS least) (NN action) (NN mechanics))))) (-RRB- -RRB-)))))))))) (. .)))
From the Symmetric Principle, gravity can be viewed as a warpage by mass of the time field, with objects moving along the least time path (similar to Fermat's least time optics or Feynman's least action mechanics).
(ROOT (S (NP (NP (NNP Fermat) (POS 's)) (NN principle)) (VP (VBZ states) (SBAR (IN that) (S (NP (NN light)) (VP (MD will) (ADVP (RB always)) (VP (VB take) (NP (NP (DT the) (NN path)) (PP (IN of) (NP (NP (DT the) (JJS least) (NN amount)) (PP (IN of) (NP (NN time))))))))))) (. .)))