The only true measure of success is the ratio between what we might have done and what we might have been on the one hand, and the thing we have made and the things we have made of ourselves on the other. ↗
The true measure of a career is to be able to be content, even proud, that you succeeded through your own endeavors without leaving a trail of casualties in your wake. ↗
The faster you go, the more students you leave behind. It doesn't matter how much or how fast you teach. The true measure is how much students have learned. ↗