It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Is any one of you unable to recite a third of the Qur'an in one night?" The Companions said: Who has the strength for that? He (peace and blessings be upon him) said: "Of course you can: Surah Qul huwa Allahu ahad (recite it, for it equals a third)."
It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Qul huwa Allahu ahad equals a third of the Qur'an."
It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) as a marfu' report that the Messenger of Allah (peace and blessings be upon him) said: "There are three whom Allah loves: a man who gets up at night and recites the Book of Allah; a man who gives charity and conceals it even from his left (hand); and a man who is in an army detachment that is routed, and then he faces the enemy again."
It is narrated from Sayyiduna Ibn Mas'ud (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "All flies will be in Hell except the honeybee."
Sayyiduna Ibn Mas'ud (may Allah be pleased with him) said: "Moderation in following the Sunnah is better than striving hard in innovation."
Sayyiduna Ibn Mas'ud (may Allah be pleased with him) said: The Prophet (peace and blessings be upon him) gave salam to his right and to his left after the prostrations of forgetfulness (sajdah sahw).
It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "O Allah, bless my nation in its early mornings."
It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Do not buy fish while it is in the water, for that is deception." (The narrator, Abdullah bin Ahmad bin Hanbal, reports from his father Imam Ahmad:) Hushaym also narrated this to us, but he did not attribute it to the Prophet (peace and blessings be upon him) as marfu'.
It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever kills a snake will have seven good deeds, whoever kills a gecko will have one good deed, and whoever leaves a snake alone out of fear of its revenge is not one of us."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 10446