Central to the Budo mythos is Oyama’s period of isolated training on Mount Minobu and Mount Kiyosumi. For months, he subjected himself to sub-zero temperatures, broke stones with his bare hands, and meditated under waterfalls to forge an unbreakable spirit ( osu ). The Blueprint of Kyokushin Literature

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Boys' Karate. by Masutatsu. Oyama by HarperCollins (paper), Paperback Thriftbooks.com Free by 6/10