The Second Commandment
You must not misuse your God's name. (Exodus 20:7)
What does this mean?
We must fear and love God, so that we will not use His name to curse, swear, cast a spell, lie or deceive, but will use it to call upon Him, pray to Him, praise Him and thank Him in all times of trouble.
The Third Commandment
You must keep the Sabbath holy. (Exodus 20:8)
What does this mean?
We must fear and love God, so that we will not look down on preaching or God's Word, but consider it holy, listen to it willingly, and learn it.
The Fourth Commandment
You must honor your father and mother. [So that things will go well for you and you will live long on earth]. (Exodus 20:12)