સત્ય સ્વર્ગનું બારણું, સત્ય સિદ્ધ સોપાન;

satya svarganuṁ bāraṇuṁ, satya siddha sōpāna;

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · awaiting its meaning

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.