Authors:

There are few instincts more natural than the body in full motion as it races across a field or through the trees.

Neal Bascomb (2005). “The Perfect Mile: Three Athletes, One Goal, and Less Than Four Minutes to Achieve It”, p.57, Houghton Mifflin Harcourt
There are few instincts more natural than the body in full motion as it races across a field or through the trees.