This article title is what you call Orientalism. 初心 is not a mystical ancient philosophy term unknown to the West. It's "beginner's mindset" or "openness to new concepts".
Actually, knowing "openness" is more important because knowing what Big 5 personality traits are protects you from believing in MBTI.
"Shoshin" translated to English means going back to one's roots. Remembering why you're doing what you're doing, and so on. Life can get overwhelming and it's far too easy to lose track of the fundamentals.
Actually, knowing "openness" is more important because knowing what Big 5 personality traits are protects you from believing in MBTI.