The quote highlights a moment of being overwhelmed by chaos, where neither mental nor physical strength is effective. This reflects the struggle many face when confronted with uncontrollable situations, emphasizing feelings of helplessness amidst turmoil. It suggests that sometimes, external circumstances can dominate an individual's will, leaving them feeling powerless.

In the context of the book "Outlander" by Diana Gabaldon, this expression resonates with the protagonist's experiences during turbulent times. It captures the essence of navigating through unpredictable events in her life, illustrating how chaos can strip away the usual confidence one holds in their abilities.