કરત કુસંગ ચાહત કુશળ, એહી બડા અફસોસ;

karata kusaṁga cāhata kuśaḷa, ēhī baḍā aphasōsa;

Literally: Doing bad company and wanting well-being, this is a great regret.
What it means: One cannot expect good results while associating with bad people.

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.