Classify the emotions found in the tweet "Learning is key while converting your leaning to someone else is door, so when you do both you will open the door of success.\n\n#x33 #smile". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
joy, optimism, trust