Quotes by Fallibility As a parent, the only thing I am absolutely certain of is my own fallibility. Ayelet Waldman fallibility certain parent For all our failings, despite our limitations and fallibilities, we humans are capable of greatness. Carl Sagan fallibility failing greatness It says nothing against the ripeness of a spirit that it has a few worms. Friedrich Nietzsche fallibility worms spirit Human fallibility recognised, Gods sovereignty trusted; these are also the only stable foundations for human beings in society. Justin Welby fallibility sovereignty foundation