التعصّب والاكتفاء بالذات ينبعان طبيعياً من قلّة الخبرة بالعالم، ومن الجهل بالناس.

“Prejudice and self-sufficiency naturally proceed from inexperience of the world, and ignorance of mankind.”Joseph Addison — The Works of Joseph Addison: Including the Whole Contents of Bp. Hurd's Edition, with Letters and Other Pieces Not Found in Any Previous Collection; and Macaulay's Essay on His Life and Works (1853)