રોગનું આવે આયખું ત્યારે વૈદ્ય વિશ્વંભરનાથ.

rōganuṁ āvē āyakhuṁ tyārē vaidya viśvaṁbharanātha.

Literally: When the disease's lifespan comes, the physician is the Lord of the Universe Himself.
What it means: When a sickness is destined to end, even an ordinary doctor acts as a divine healer.

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.