He becomes afflicted with doubts. What is the use of adopting an ideal which is not realizable in life as it is? Or perhaps the truth is that there is no Truth. If he is mentally adolescent or emotionally unbalanced, he may push his scepticism to extremes. The Quest's values may then seem quite spurious, the tranquillity it promises quite bleak.
-- Notebooks Category 2: Overview of Practices Involved > Chapter 1: Ant's Long Path > # 159