An important approach towards accepting or rejecting the sciences of the non-Muslims
In The Name of Allaah, The Most Merciful, The Bestower of Mercy
Imaam Abdul-Azeez Bin Baaz (rahimahullaah) stated that it is obligatory to categorize the sciences of the non-Muslims in three categories:
 A category affirmed by the sound knowledge based proofs [i.e. affirmed by the divine revelation, or does not contradict the divine revelation), so it is accepted.
 A category that is established to be false by the knowledge based proofs (i.e. affirmed to be false by the divine revelation or in contradiction to the divine revelation), so it is rejected.
 A category about which no knowledge based proof is found indicating whether it can be accepted or rejected. Therefore, one abstains until he comes across proofs from the people of knowledge (i.e. the scholars of Sunnah), indicating whether it can be accepted or rejected. As for accepting it without examination and investigation but merely blindly following, then this is not permissible due to the numerous mistakes that occur from that…
[Abridged and slightly paraphrased: Source: Al-Adillah An-Naqliyyah Wal-Hissiyyah Alaa Jarayaan Ash-Shams Wa Sukoonil Ard’ page: 74]