Quran

It was said that when they called their king to believe in Allah, he refused, warned and threatened them. He gave them respite to think about the situation, hoping that they would return to their former religion. During that respite, they managed to escape from him and flee from persecution for the sake of their religion. In such cases, it is allowed to seclude oneself from people, but this is not prescribed in any other case, because by such seclusion one loses the benefits of congregational and Friday prayers. Ibn Kathir: 3/73.
Question: When is it allowed for a Muslim to seclude himself and flee from people for the sake of his religion?

Meaning: The sun did not shine on them when it rose nor when it set so that they would not be burned by its heat. It is said that this was a signs of honor and a miraculous event. Ibn Juzay: 1/504.
Question: How did Allah protect the people of the Cave?

Meaning: There is no way to attain guidance except from Allah, for He guides to all that is best in both realms [this world and the Hereafter]. Al-Saadi: 472.
Question: From whom should you ask for guidance when you want it?

This was also to protect their bodies, for the earth naturally consumes bodies that are in direct contact with it. But by the decree of Allah, He caused them to turn over to their right and left sides, as much as was needed to prevent the earth causing damage to their bodies. Allah was able to protect them from the earth without turning them over, but He is Most Wise, and He wanted His universal laws to be consistent and for causes and effects to remain in place. Al-Saadi: 472.
Question: Allah was able to protect them from the earth without turning them over, why did He make the turn over?

Ibn Atiyah said: I said: 'If a dog had attained this high rank by joining the righteous and allies of Allah to the point that Allah is mentioning it in His Book, then what do you think about the believers who join and love the righteous and allies of Allah." Al-Qurtubi: 13/232.
Question: What do we learn from the mention of the dog in this story?

The proper etiquette to follow in the event of being uncertain about an issue of knowledge is to refer it to someone who knows about it, and one should not go beyond what he knows. Al-Saadi: 473.
Question: What is the Islamic etiquette to follow when being asked about unknown issue to you?

It is permissible to eat good and delicious food, so long as that does not go to the extent of extravagance that is prohibited. This applies, especially, if a person is used to that and nothing else will suit him. Al-Saadi: 473.
Question: Is man enjoined to stay away from the best food?