單絲不線 孤掌難鳴 / dān sī bù xiàn gū zhǎng nán míng /
A Single Thread Does Not Make a String;
Hard to clap with only one hand.
Category:
One Stroke Calligraphy_Phrases 一筆字：佛教成語
References:
星雲大師全集【書法類】佛教成語 The Complete Works of Venerable Master Hsing Yun: Calligraphy-Phrases
