Şems-i Tebrizinin 40 Kuralı

It contains 40 rules of Shams Tabrizi.

Shams Tabrizi was a Persian Sufi dervish who lived in the thirteenth century. Mevlana is the spiritual teacher of Celaleddin Rumi. Shams' Tabrizi's 40 Rule can help you to find the essence of love, to cleanse your ego, to spiritual rise, and to be human. The rules encourage you to change your life and to love and accept everyone and everyone as they are.

Reference: Elif Şafak Love book.