I'll repeat something you might consider tattooing on your forehead: What we fear doing most is usually what we most need to do.
Tim FerrissWhen you elevate the heels more so than you elevate the sole of the foot, you trigger a cascade of compensations in the knees and hips that cause tight hip flexors, and then those hip flexors cause lower-back pain.
Tim FerrissThink big and don't listen to people who tell you it can't be done. Life's too short to think small.
Tim Ferriss