Most teacher’s will not realise what you say affects students in some way or the other. In the long run it’s not what subject (content) you teach that students will necessarily remember but more so of some specific event/interaction or something you said that made their day. Drew Dudley nails it with this TED video.
Such an inspirational video..Its ok to make mistakes. Especially when you inventing stuff, you are bound to face difficulties along the way. Just keep persevering and aim to achieve your goal, one day at a time.
When your students need a “pep talk”, this little man does great wonders. Roughly about 3 and a half minutes, this video, through the eyes of a little youth inspires his peers to wake up and rise to the challenges of life even though you face challenges along the way.