The Perfect Way is only difficult
           for those who pick and choose;

Do not like, do not dislike;
               all will then be clear.

Make a hairbreadth difference,
              and Heaven and Earth are set apart;

if you want the truth to stand clear before you,
              never be for or against.

The struggle between "for" and "against"
              is the mind's worst disease.

-- Jianzhi Sengcan

Edit: Since I'm not Will Newsome (yet!) I will clarify. There are several useful points in this but I think the key one is the virtue of keeping one's identity small. Speaking it out loud is a sort of primer, meditation or prayer before approaching difficult or emotional subjects has for me proven a useful ritual for avoiding motivated cognition.