Literature Reference: With a peaceful heart, my body remains calm and unburdened. Source from 'Kuangyan Shi Zhuzhi'.
身: In person, oneself, one's physical form.
泰: Peace and stability. In personal names, it often signifies safety and security, as well as the prosperity and tranquility of a nation. It also represents a hopeful vision, such as the belief that after extreme adversity comes great fortune.
Meaning: Body in tranquility, free from worries and burdens, with a peaceful heart.