“That is how heavy a secret can become. It can make blood flow easier than ink.”
Source: The Wise Man's Fear
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Patrick Rothfuss 236
American fantasy writer 1973Related quotes

“Wine can be a better teacher than ink, and banter is often better than books”
Source: The Fry Chronicles

As quoted in Al-Jaami' al-Saghîr by Imam al-Suyuti, where it is declared a "weak Hadith".
Variant translations:
The ink of the scholar is holier than the blood of the martyr.
The Islamic Review, Vol. 22 (1934), p. 105, edited by Khwajah Kamal al-Din
The ink of scholars will be weighed in the scale with the blood of martyrs.
As quoted in Knowledge of God in Classical Sufism: Foundations of Islamic Mystical Theology (2004) by John Renard
Sunni Hadith

"Meditation: The How and the Why" (2003)

“The purpose of literature is to turn blood into ink.”

As quoted by Afsané Bassir, Interview with Prince Reza Pahlavi, son of the late Shah of Iran http://www.rezapahlavi.org/details_article.php?article=50&page=7, Le Monde, June 6, 2001.
Interviews, 2001-2002
Context: I say, listen to the Iranians. During twenty-two years, you forgot the Iranians, they are close to 70 millions today who hanker for liberty. I say to the west: the oil that flows in your pipelines is not more important than the blood that flows in the veins of Iranians.