Oprah Winfrey gave the commencement speech at Harvard in 2013. Here are a couple of takeaways from her speech which relate to learning and teaching:
Was that okay?she was asked. That validation is exactly what you are given when you teach what you learn. Either the person gets it, or they don't. You validate what you know and your ability to express it to someone else.
Read the transcript of the speech at: https://news.harvard.edu/gazette/story/2013/05/winfreys-commencement-address/ Or watch it at: https://www.youtube.com/watch?v=GMWFieBGR7c