无心插柳柳成阴

1. • lit. idly poke a stick in the mud and it grows into a tree to shade you
2. • unintentional actions may bring unexpected success

     fig.

Character by character

• 无(wú)not to have
• 心(xīn)heart
• 插(chā)insert
• 柳(liǔ)surname Liu
• 柳(liǔ)surname Liu
• 成(chéng)surname Cheng
• 阴(yīn)surname Yin