સગેજ જાણ્યા શ્વાસ, શ્વાસ પણ સગા નહીં;

sagēja jāṇyā śvāsa, śvāsa paṇa sagā nahīṁ;

Literally: I considered my breaths as my own relatives, but even breaths are not relatives;
What it means: Nothing in this world, not even one's own life force, is truly permanent or reliable.

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.