Using Google search, the AI Overview states, "While there isn’t a single, directly attributed quote from Benjamin Franklin explicitly defining “optimism,” his writings and philosophy are widely understood as promoting a strong sense of optimism, often reflected in his famous “Poor Richard’s Almanac” where he frequently encouraged positive thinking and self-improvement, essentially defining optimism as a belief in the ability to shape a better future through hard work and perseverance."
Using Google search, the AI Overview states, "While there isn’t a single, directly attributed quote from Benjamin Franklin explicitly defining “optimism,” his writings and philosophy are widely understood as promoting a strong sense of optimism, often reflected in his famous “Poor Richard’s Almanac” where he frequently encouraged positive thinking and self-improvement, essentially defining optimism as a belief in the ability to shape a better future through hard work and perseverance."