自心  / zì xīn /
One’s Mind 
Category:
Buddhist Terminology 佛學名相
Description:
了卻自心,別無疑慮。不了自心,迷卻本來面目。
Doubts are extinguished if one understands the mind;
One's original nature is clouded if the mind is not understood.
References:
星雲大師全集【書法類】中華文化佛教名詞 名相 The Complete Works of Venerable Master Hsing Yun: Calligraphy-Terminology 
高雄市大樹區興田里興田路 153 號
886-7-6561921 #2501-2506