What A Wonderful World

The speaker notices ordinary sights and sounds with gratitude, from flowers and weather to greetings and children. Each observation leads to the same warm conclusion: the world is wonderful. The feeling is gently joyful and grows more personal as the speaker moves from nature to human connection and the next generation.

The “bright blessed days” and “dark sacred nights” suggest that both daylight and darkness have their own beauty. A rainbow’s colors appearing on people’s faces may mean that human variety is as lovely as nature’s colors. The greeting “How do you do?” is described as really saying “I love you,” implying that a small act of friendliness can express care, even when people do not say it directly.

The song presents an affectionate way of seeing the world, rather than arguing that life is perfect. The line about children learning more than the speaker will ever know can carry wonder, humility, and a touch of wistfulness. The repeated conclusion may express sincere appreciation, or it may sound like a hopeful choice to focus on beauty. Both readings fit the lyrics.