As host of The Daily Show, it's Jon Stewart's job to make jokes. But on certain days—days like yesterday—it falls on Stewart to be a voice of reassurance in a world that's gone ballistic. The shootings at the Parisian satirical newspaper Charlie Hedbo shocked and saddened everyone, but for comedians like Stewart—those who specialize in poking fun at institutions of power—it must have hit especially hard. "Comedy shouldn't be an act of courage," Stewart says, before reminding us that in this world, unfortunately, it often is. Watch the clip below.