
“Kierkegaard was by far the most profound thinker of the last century. Kierkegaard was a saint.”
As quoted in "Wittgenstein and Kierkegaard on the ethico-religious" by Roe Fremstedal in Ideas in History Vol. 1 (2006) http://www.ideasinhistory.org/cms/index.php?page=wittgenstein-and-kierkegaard-on-the-ethico-religious
Attributed from posthumous publications