Catatan Kaki:
[0] Gambar Ilustrasi: 'The Philosopher' karya Pelukis Orientalis Ludwig Deutch 1905
[1] The Meaning and Scope of Philosophy, Â https://shodhganga.inflibnet.ac.in/bitstream/10603 /116523/9/09_chapter%201.pdf, Diakses pada tanggal 23 September 2019.
[2] Simon Blackburn, Oxford Dictionary of Philosophy, (UK: Oxford University Press).
[3] Smith SS, The New International Webster's Comprehensive Dictionary of the English Language, (Florida: Triden Press International, 1996), hlm 494.
[4] KBBI Edisi ke-4. Jakarta: PT Gramedia Pustaka Utama. p. 392
[5] Lihat Bertrand Russel, A History Of Western Philosophy; And Its Connection with Political and Social Circumstances from the Earliest Times to the Present Day, (New York: Simon And Schuster, 1945), hlm xiii.
[6]Donald M. Borchert, Ecyclopedia of Philosophy Vol 7, (USA: Thomson Gale, 2006), hlm 325-327.
[7] Asep Sulaiman, Mengenal Filsafat Islam, (Bandung: Yrama Widya, 2016) hlm 4.
[8] Oliver Leaman, Pengantar Filsafat Islam-terj M. Amin Abdullah, (Jakarta: Rajawali, 1989), hlm 8.
[9] Seyyed Hossein Nasr, "The Meaning and Concept of Philosophy in Islam", dalam Seyyed Hossein Nasr (ed.) dan Oliver Leaman (ed.), Routledge History of World Philosphies Volume 1 History of Islamic Philosophy (London dan New York: Routledge, 1996) hlm 57-59.