A written record of priesthood line of authority is not necessary to exercise the priesthood, but it is a valuable thing to have.
When dealing with fast offerings Mormon doctrine teaches that the Lord cares more about the heart of the giver than the exact amount of money given. Mormons believe it is wise to prioritize.
Don’t confuse custom with principle. Customs change from day to day, and Mormons believe it is important to respect the customs appropriate to the age in which we live.
The only conditions to receive a priesthood blessing in the Mormon faith are faith in Jesus Christ and a desire for a blessing from the Lord.
When Mormons sustain someone as a leader, they promise to help and support that leader and not to criticize him. If there is a serious issue of worthiness, Mormons are advised to go to the leader who is directly over the leader in question and leave the matter to be handled by the proper authority.
The Lord has commanded Mormons not to use alcohol. Even in matters of cooking, Mormons would do well not use alcohol. In matters of principle there is no compromise.
Some Mormons do not drink caffinated beverages because of the Mormon Word of Wisdom. These people are at times ridiculed by people claiming that the Mormon church is one of the larger stock holders for Coca Cola. Such false interactions are best turned into opportunities to share the Mormon Gospel with others.
In Mormonism, the Word of Wisdom says that we should avoid the use of tea, coffee, and strong drinks. In order to be baptized into the Mormon church, a person must live the Word of Wisdom, even if it means giving up old habits.
The Word of Wisdom teaches that hunting wild animals should be done only in times of need, but also to eat meat sparingly any season of the year.
To quit smoking, first resolve to never smoke again. Then throw all tobacco away. Now ask the Lord for the strength to obey the Word of Wisdom.