Yesterday, I read a great post from Kyoshi Dave Kovar - a reminder about the impact that we have on others. It made me think about how many wonderful teachers I've had in my life, and how many of those conversations had affected me. And then, I opened an e-mail from a friend of mine - someone who, after looking at my students' Acts of Kindness portfolios, began asking his students to document the kindness that they perform in the world. Suddenly, every student was offering to buy him coffee…