When you feel like quitting

"When you think that you are done, you're only at 40% of what your body is capable of doing."
- David Goggins, ultramarathoner

So true, in sport as in life...



From Ashley Mahaffey's blog: http://is.gd/ezDN (main site: http://ashleymahaffey.com )
David Goggins' site: http://www.davidgoggins.com