Knowledge about Knowledge
"Civilization advances by extending the number of important operations which we can perform without thinking about" - Alfred North Whitehead
"Not ignorance, but ignorance of ignorance is the death of knowledge" - Alfred North Whitehead
"Complete liberty of contradicting and disapproving our opinion is the very condition which justifies us in assuming its truth for purposes of action and on no other terms can a being with human faculties have any rational assurance of being right." - John Stuart Mill (1859)
"Action without knowledge is vanity. Knowledge without action is insanity." - Imām Muḥammad al-Ġazālīy رَحْمَةُ الله عليه
"... and above every lord of knowledge there is one who knows more." - The Qur'an, Surah Yusuf, Ayah 76 (12:76)
"The manifestation of Truth is a mystery of Love, just as, conversely, the content of Love is a mystery of Truth." - Frithjof Schuon ق, Understanding Islam