Any number of philosophically experienced homeless/beggars. Regardless of the philosophy that the Weevel spouts, be it ingenious or just random babble, the listen will then think about what he or she has heard, and reflect upon his or her life. This is the power of the Weevel.

When you eat dirt for the first time and leave your family to build a shack in the woods

A weevel is a bumhole, which is also known as a bum, an arsehole, a hoop or a bottom.