In John Irving's novel "In One Person," there is a moment of uncertainty expressed by Richard Abbott, a character who is perceived to possess vast knowledge. Despite this reputation, he admits his lack of complete understanding regarding a particular issue, highlighting a theme of vulnerability and the limits of knowledge.

This moment reflects a broader human experience where even those who seem to be well-informed can encounter situations that challenge their comprehension. Irving's writing often explores complex characters and their struggles with identity and truth, making this admission significant within the narrative.