שִֽׂימָה־נָּ֭א עָרְבֵ֣נִי עִמָּ֑ךְ מִֽי ה֝֗וּא לְיָדִ֥י יִתָּקֵֽעַ׃
Give now a pledge, be surety for me with Thyself; Who else is there that will strike hands with me?
Read kabbalistic (mystical) interpretation of Job 17:3: and classical mystical sources.