Thus his body limbs must fast and abstain from sinful acts. His tongue must fast and abstain from lying, foul speech and false swearing. This is the legislated fast, the result of which will be great reward.
When you observe Sawm, let your ears, eyes and tongue abstain from lying and other unlawful acts. Do not harm your neighbors. Be characterized by humility and calmness. Let there be a difference between the days of observing Sawm and the days when you are not observing Sawm.
When those who fast for Allaah in the heat are patient despite their intense thirst, He will set aside a specific gate of the gates of Paradise for them. This is the gate called Rayyan, and whoever enters through it will drink, and whoever drinks after entering it will never be thirsty again.
The Prophet (sallallahu ‘alayhi wasallam) informed his Companions of its coming and it was not just a simple relaying of news. Rather, his intent was to give them the glad tidings of a magnificent time of the year, so that the righteous people who are quick to do deeds can give it its due estimate.
You find the person who has turned to the Way of the Salaf, in the beginning, strict and determined to keep far away from the people of innovation and sects.
This lasts for some time, but then he is presented a misconception from one who clothes himself in the garb of Salafiyyah.