Musnad al-Rabī

Can you mention scholars who authenticated this hadith other than al albani and any other source of this hadith Ibn Abbas reported: The Messenger of Allah, peace and blessings be upon him, said, “Reflect deeply upon the creation, but do not reflect upon the essence of the Creator. Verily, His essence cannot be known other than to believe in it.” Source: Musnad al-Rabī’ 742 Grade; Hasan (fair) according to Al-Albani Which book is musnad al-rabi i have never seen it anywhere who is its author i have read that this book is related to ibadis (branch of kharijite) what is its reputation among scholars of ahle sunna wal jamat Arabic text- عَنِ ابْنِ عَبَّاسٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ تَفَكَّرُوا فِي الْخَلْقِ وَلا تَتَفَكَّرُوا فِي الْخَالِقِ فَإِنَّهُ لا يُدْرَكُ إِلا بِتَصْدِيقِهِ 742 مسند الربيع بن حبيب 2976 المحدث الألباني خلاصة حكم المحدث حسن في صحيح I read this hadith on Link-https://www.abuaminaelias.com/dailyhadithonline/2017/02/14/tafakkur-creation-allah-essence/ Another hadith in same book -https://islamqa.org/hanafi/hadithanswers/123562/musnad-rabi-ibn-habib/