"And if you fear that you cannot act equitably towards orphans, then marry such women as seem good to you, two and three and four; but if you fear that you will not do justice (between them), then (marry) only one or what your right hands possess; this is more proper, that you may not deviate from the right course." - Quran 4:3 (read more)

"....The women asked, "O Allah's Apostle! What is deficient in our intelligence and religion?" He said, "Is not the evidence of two women equal to the witness of one man?" They replied in the affirmative. He said, "This is the deficiency in her intelligence. Isn't it true that a woman can neither pray nor fast during her menses?" The women replied in the affirmative. He said, "This is the deficiency in her religion." - Sahih Bukhari 1:6:301 (read more)

"Ibn Sinna (Avicenna) was accused of being a Kafir and an atheist because of his statements about the antiquity of the world, his rejection of the Hereafter, and other atheist theories, in addition to his inner legendary ideology. Other scholars stated that Ibn Sinna was an atheist before Sheikh Al-Huwaini did; amongst them is: Al-Ghazali, Ibn Taymiyah, Ibn Al-Qayim, and Al-Dhahabi." - IslamWeb