Determine the emotional tone of the following tweet: "Awe produces gratitude, gratitude instills joy, &amp; the harvest of joy is contentment.' \n\n–@PaulTripp #awe 😭😭😭". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
joy, optimism