શત્રુ જહાં લગી શિરપર, ગરજ અન્યની હોય;

śatru jahāṁ lagī śirapara, garaja anyanī hōya;

Literally: As long as the enemy is looming overhead, one has need of others;
What it means: Observes that people only value helpers and allies as long as they face an active threat or crisis.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) 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.