▁I ▁had ▁only ▁intu itions , ▁now ▁I ▁have ▁certain ty . ▁I ▁have ▁made ▁a ▁whole ▁series ▁of ▁the or ems ▁on ▁the ▁laws ▁of ▁disp lacement ▁[ d ép lacement ], ▁of ▁revers al ▁[ ret ourn ement ] ▁etc . ▁I ▁have ▁read ▁Sch oute , ▁R iem an ▁( s ic ), ▁Arg and , ▁Sch leg el ▁etc . ▁ ▁The ▁actual ▁result ? ▁A ▁new ▁harm ony . ▁Don ' t ▁take ▁this ▁word ▁harm ony ▁in ▁its ▁ordinary ▁[ ban al ] ▁every day ▁sense , ▁take ▁it ▁in ▁its ▁original ▁[ prim it if ] ▁sense . ▁Everything ▁is ▁number . ▁The ▁mind ▁[ es prit ] ▁h ates ▁what ▁cannot ▁be ▁measured : ▁it ▁must ▁be ▁reduced ▁and ▁made ▁compreh ens ible . ▁ ▁That ▁is ▁the ▁secret . ▁There ▁in ▁nothing ▁more ▁to ▁it ▁[ pas ▁de ▁reste ▁à ▁l ' op ération ]. ▁P ain ting , ▁sculpt ure , ▁music , ▁architecture , ▁last ing ▁art ▁is ▁never ▁anything ▁more ▁than ▁a ▁mathematical ▁expression ▁of ▁the ▁relations ▁that ▁exist ▁between ▁the ▁internal ▁and ▁the ▁external , ▁the ▁self ▁[ le ▁moi ] ▁and ▁the ▁world . ▁( M etz inger , ▁ 4 ▁July ▁ 1 9 1 6 ) Peter ▁Bro oke , ▁High er ▁Ge omet ries , ▁Pre ced ents : ▁Charles ▁Henry ▁and ▁Peter ▁L enz , ▁The ▁subject ive ▁experience ▁of ▁space , ▁Met z inger , ▁Gr is ▁and ▁Maurice ▁Pr inc et ▁ ▁The