..Teacher please check the grammar of the following sentences:
Through the temptation of Satan, man failed to obey God's commandment and have ["man" is singular - the verb must follow suit] fallen short of the glory of God.
Repentance is a genuine turning from sin toward God, setting apart from old lifestyle for God's use.[setting aside/abandoning your old life to serve God]
Faith is the acceptance of Jesus Christ and commitment of his whole being [of your whole being] to Him as Lord and Saviour.
The most important need of the world is the acceptance of God's Law in every [all] matters of men and nations, and the genuine application of His culture and standard.[God does not have a culture. Neither of these words is suitable. You will need to find another way to say this. ]
Student or Learner