not all heroes wear capes

Thank you so much Dr. Keisler, your videos are great and you just helped me to pass tomorrow's quiz.

That´s great content. I appreciate your effort to share your knowledge.

YOU ARE DOING GOD'S WORK THANK U

Thanks a lot for the wonderful explanation.

thank you so much! this chapter seemed so boring when my professor was teaching it but I figured it was probably the way she teaches!

Thank You So Much!!! Now I can Do well on my up coming test

Watching before an exam

Thank you so much

wow

maaaaaaaan u rock

You do a great job but I do find that you sound way too much like Owen Wilson and that distracts me