Tariq ut-tahqiq is one of the books attributed to Sanai.
It is an Early New Persian mystical poetry book from 1133 in mathnawi form.
[1][2] This book was published in Persian by Mohammad Taghi Modarres Razavi as Masnavi of Sanai in 1969 with association of the University of Tehran Press.
[3][4] For example, a poem called Litany from this book translated to english as follows:[3][4] ای برآرندهٔ مه و خورشید O Lord of the fog and the sun نقش‌بند جهان بیم و امید The ruler of the world of fear and hope ای به تو زنده جان، چو جسم به جان O to you live of soul, like body to soul جسم و جان را ز لطف توست توان Body and soul can be strengthened by your grace روح را هر نفس ز تو مددست The soul get your help in every breath کرم و رحمت تو بی‌عددست Your mercy and grant are innumerable ای بسا مسجدی که راندهٔ توست Oh, maybe the mosque man you rejected وی بسا بت پرست خواندهٔ توست Oh, you may waiting for a pagan همه فانی شویم و تو باقی We are all perish and you remain همه مست توایم و تو ساقی We are all drunk and you are the cupbearer غرض ما ز هرچه هست توئی Our purpose is whatever finally is you کارساز بلند و پست توئی You take peoples up and down طمع ما ز تو، عنایت توست Our greed for getting you, also is your grace رهبر ما به تو، هدایت توست Our leader to you, is your guidance