There is no failure except in no longer trying. There is no defeat except from within, no really insurmountable barrier save our own inherent weakness of purpose.

Elbert Hubbard, part of a larger comment quoted from Electrical Review without further attribution in The Search for the North Pole (1896) by Evelyn Briggs Baldwin, p. 520, this was later published as part of various works by Hubbard, including An American Bible (1918) edited by Alice Hubbard. Also once misattributed to Amelia J Calver in The Manifesto (January 1896) by the United Society of Believers in Christ’s Second Appearing (Shakers), misattribution to Kin Hubbard seems to be a relatively recent occurrence on the internet.