મેં જાણ્યું સગા શ્વાસ, શ્વાસ પણ સગા નહીં;

mēṁ jāṇyuṁ sagā śvāsa, śvāsa paṇa sagā nahīṁ;

Literally: I thought my breaths were my relatives, but even breaths are not relatives;
What it means: One cannot rely on anything, even one's own breath, in this transient world.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) · 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.