Yazid bin Harun يزيد بن هارون · General Behavior (Kitab Al-Adab)

The Prophet (ﷺ) said: the same occasion: Help the oppressed (sorrowful) and guide those who have lost their way.

The Prophet (ﷺ) said: It is not allowable for a believer to keep from a believer for more than three days. If three days pass, he should meet him and give him a salutation, and if he replies to it they will both have shared in the reward; but if he does not reply he will bear his sin (according to Ahmad's version) and the one who gives the salutation will have come forth from the sin of keeping apart.

When one of you yawns, he should hold his hand over his mouth, for the devil enters.

when the prophet (May peace be upon him) went to his bed, he used to say : O Allah! Lord of the heavens, Lord of the earth, Lord of everything, who splittest the grain and the kernel, who hast sent down the Torah, forelock Thou seizes. Thou art the first and there is nothing before thee; Thou art the Last and there is nothing after Thee; Thou art the Outward and there is nothing above Thee; Thou art the Inward…