The quote by Mary Roach in her book "Grunt: The Curious Science of Humans at War" emphasizes that true courage can often be found in the ability to adopt unconventional thinking. It suggests that bravery isn't solely about physical acts of valor; instead, it may involve challenging the status quo and questioning widely accepted beliefs. This perspective highlights that courage can manifest in subtle yet impactful ways, often requiring inner strength and self-assurance.

Roach's insights reflect the importance of independent thought, particularly in high-stress environments like war. By promoting the idea that thinking differently can be a form of bravery, she encourages readers to recognize that dissenting opinions can lead to innovation and change. This notion reinforces the idea that not conforming to the majority can be a powerful and courageous act.