Quote by Xenophanes
"Perseverance is not the absence of doubt, but action despite it."
More from Xenophanes
"The gods did not reveal all things to men from the beginning, but men through their own seeking find them out in time."
"If cattle and horses and lions had hands, or were able to draw with their hands and create the same works as men, horses would draw the forms of the gods like horses, and cattle like cattle."
"One god, greatest among gods and men, neither in form like unto mortals nor in thought."
"Homer and Hesiod have attributed to the gods all things that are shameful and a reproach among men."