I don't think I've ever done nothing, but I remember this:
Lying on my front lawn in the sun with a friend I've known all my life, drinking lemonade. This was the day before he moved to China to teach English again. This felt like nothing, and it felt good.
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"If someone asked me what a human being ought to devote the maximum of his life to, I would answer: training. Train more than you sleep."
~Mas Oyama~