My relationship to athleticism has changed pretty drastically in the last year. At some point, I began looking at my habits and decided I wanted a change. Swimming, biking and especially weightlifting ...

First of all, I want to say "good job" on the whole Cartesian coordinates thing. Don't know if you knew that they were eventually named after you? That's pretty cool. Anyone who's ever drawn a graph ...

How are you? Of course, I realize that how you are is actually not. You have, in fact, ceased to exist. And you've been dead for a long time. Since your passing in 1650, however, your ideas continue ...