New Delhi, April 8 -- This quote maps well onto Eastman's life. In a business context, it suggests that the most important work is not the immediate transaction, but the system, institution, or habit you leave behind. Eastman did not merely sell cameras; he changed who photography was for. He simplified a specialist craft into a mass habit, and that is exactly the kind of action that "echoes" far beyond its first market moment.

The deeper principle here is legacy through usefulness. Leaders often imagine legacy as reputation, but Eastman's career points to a harder standard: make something more accessible, more repeatable, and more humane than it was before. His impact lasted because he built convenience, scale, and follow-through into t...