Analysis of information sources in references of the Wikipedia article "Kyokushin" in English language version.
The Japanese refer to Mas Oyama's kyokushin karate as kenka karate, meaning "brawling" or "brutal" karate. But Oyama tells his students "Baka! Kenka karate ja-nai! Budo karate da!" which translates to "Fool! This is not brawling karate! It's budo karate!"