Whatever touches the nerves of motive, whatever shifts man's moral position, is mightier than steam, or calorie, or lightening.

Summary

This quote suggests that emotions and moral beliefs hold more power and influence over human behavior than the physical forces of nature, such as steam, calories, or lightning. It implies that what truly motivates individuals and can change their ethical standpoint is something deeper and more profound than mere physical energy. It highlights the importance of emotional and moral factors in shaping human actions and emphasizes their significance in comparison to technological advancements or natural phenomena.