Confusion about sincerity and sanity is common in self-help circles.

Evidence

I left the experience more confused, not less. — Dan Harris, 10 percent Happier, 403

Categorization

• corroborated: 2 independent passages support this claim — Dan Harris, 10 percent Happier, 403
• XREF: connects to: Too much self-awareness can lead to self-doubt, overly evaluative behavior, and unnecessary stress. — Too Much Self-Awareness: Is That Possible?; Sincerity can be an active ingredient of self-deception rather than its opposite — Ann Laura Stoler, Along the Archival Grain_ Epistemic…, 1405