-Tocover90percentofone'sdestineddistancebringsthetravelernofartherthanthemidwaypoint--thelastpartofanendeavoristhehardesttofinish.;Athingisnotdoneuntilitisdone.;Onemustsustainone'seffortwhenataskisnearingcompletion.;Theninetymilesisonlyhalfofahundredmilesjourney--thegoingistoughesttowardstheendofajourney.