This excerpt is taken from Sheikh Hussain bin Mubarak Al-Mawsili's Arabic book Al-Awamer wal-Nawahi, whose Urdu translation has been done by Muhammad Sarwar Gohar Sahib under the title Ahkamat o Mamnoaat.
① Sayyiduna Ibn Mas'ud (may Allah be pleased with him) narrates that the Messenger of Allah (peace be upon him) said:
هلك المتنطعون . قالها ثلاثا.
"Those who speak ostentatiously with an open mouth are destroyed, the Prophet (peace be upon him) said this three times."
Reference: Muslim, Book of Knowledge 2670/7, Abu Dawood, Book of Sunnah 4608.
① Bahz bin Hakim narrates from his father, and he from his grandfather, that they heard the Messenger of Allah (peace be upon him) say:
ويل للذي يحدث بالحديث ليضحك به القوم فيكذب ، ويل له ويل له
"Destruction is for the person who tells lies to make people laugh, destruction is for him, destruction is for him."
Reference: Tirmidhi, Book of Zuhd 2315, the hadith is Hasan.
① It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace be upon him) said:
إياكم وسوء ذات البين فإنها الحالقة
"Avoid mutual hatred and enmity, for it is a trait that destroys religion."
Reference: Tirmidhi, Book of the Description of the Day of Resurrection, Softening of Hearts, and Piety 2508.