Because, apparently, they need a definition for it.
“Like, you wanted a definition?”
"Referee won't blow the whistle / God is good but will he listen?" -- U2
"Kierkegaard was by far the most profound thinker of the[nineteenth] century. Kierkegaard was a saint." - Ludwig Wittgenstein, to his friend Maurice Drury.
Read Wittgenstein and Kierkegaard: Religion, Individuality, and Philosophical Method by Charles L. Creegan free online.