Calling to Good: Islamic Mentoring and Guidance ina Modern World (Paperback)Author: M. Fethullah Gulen Call to good and prevent wrong amr bil maruf wa nahy an al munkar. Depending on the translations within the Quranic contexts, calling to good may be rendered as promoting the right, just, honorable, righteous behavior, and virtue; whereas preventing wrong is forbidding what is evil, dishonorable, and vice. The Quran urges believers to embrace this duty individually and collectively and praises them when they practice this