There are those who so dislike the nude that they find something indecent in the naked truth.
Aphorisms, no. 88 (1930)
In order to swim one takes off all one's clothes-in order to aspire to the truth one must undress in a far more inward sense, divest oneself of all one's inward clothes, of thoughts, conceptions, selfishness etc. before one is sufficiently naked.
The Journals of Søren Kierkegaard: A Selection, no. 1395, (ed. and tr. by Alexander Dru, 1938), entry for 1854