The sincere, who are honestly desirous of discovering Truth at whatever cost, will be helped within their limitations; the insincere, who seek to support their petty prejudices rather than to follow Truth, will have their hearts read and their hollowness exposed.
-- Notebooks Category 20: What Is Philosophy? > Chapter 1: Toward Defining Philosophy > # 174
-- Perspectives > Chapter 20: What Is Philosophy? > # 21