Certainty Quote by John Patrick Shanley
“I think that certainty is a closed door, It's the end of the conversation. Doubt is an open door.”
“I think that certainty is a closed door, It's the end of the conversation. Doubt is an open door.”
![“[I]f in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics, in so far as disposed through it we are able to reach certainty in other sciences and truth by the exclusion of error.” quote by Roger Bacon](https://sms4smile.com/quotes/img-quotes/d13/roger-bacon-15067_able_i-f-in-other-sciences-we-should-arrive-a_24209.jpg)
