કઠિન ભક્તિ ભગવાનકી, જ્યું ખાંડેકી ધાર;

kaṭhina bhakti bhagavānakī, jyuṁ khāṁḍēkī dhāra;

Literally: Difficult is the devotion to God, like the edge of a sword;
What it means: Walking the path of true devotion requires absolute focus and courage, as any slip leads to a fall.

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.