淨心  / jìng xīn /
Purify the Mind 
Category:
Buddhist Terminology 
Description:
一切法門,以明心為要; 一切行門,以淨心為要。
The core of all Dharma teachings is to understand the mind;
The core of all practices is to purify the mind.
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 
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