William James offers a psychological and philosophical key to living a meaningful life. The instruction to "act as if" is a powerful tool for shaping both our perception and our reality. It encourages us to imbue our actions with intention and significance, even when we feel uncertain.

The definitive follow-up, "It does," is a profound affirmation. It confirms that no action is ever truly neutral or wasted. Every effort, every kind word, every small task completed with care, sends a ripple into the world and contributes to the whole, creating a tangible impact.

This quote combats feelings of insignificance and futility. It gives purpose to our daily action by assuring us that we are powerful agents of change and that our lives matter immensely in the grand tapestry of existence.