三學  / sān xué /
Threefold Training 
Description:
三學增上入如來家,四大皆空示現諸有。
The Threefold Training helps one advance and enter the home of the Tathagata;
The Four Elements are empty, manifesting all existence.
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