It is because a mirror has no commitment to any image that it can clearly and accurately reflect any image before it. The mind of a warrior is like a mirror in that it has no commitment to any outcome and is free to let form and purpose result on the spot, according to the situation.
—Yagyū Munenori, The Life-Giving Sword
I suggest a new rule: the source of the quote should be at least three months old. It’s too easy to get excited about the latest blog post that made the rounds on Facebook.