ગુરૂ કહે તેમ કરવું, ગુરૂ કરે તેમ ન કરવું.

gurū kahē tēma karavuṁ, gurū karē tēma na karavuṁ.

Literally: Do as the guru says, do not do as the guru does.
What it means: Follow the advice of a mentor, but ignore their personal bad habits.

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.