The quote emphasizes the importance of having confidence in the tools we use, particularly in high-stakes situations. In the context of the book "Old Man's War" by John Scalzi, it suggests that sometimes our equipment or technology can outperform our own instincts and reasoning. Trusting these tools can be crucial for survival, especially in unpredictable or challenging environments.

This idea reflects a broader theme of reliance on innovation and the advancements that provide people with advantages. The trust in one’s weapon underscores a necessity for a synergy between human intuition and technological capability, leading to better outcomes in the face of danger.