વાંસના કજીઆમાં વન બળે.

vāṁsanā kajīāmāṁ vana baḷē.

Literally: In the clash of bamboo stalks, the whole forest burns.
What it means: Said when a quarrel between two powerful individuals escalates and destroys the entire community.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.