The letters of 1 & 2 Peter were written by the apostle Peter to help us better understand our hope and wisdom is from God in the midst of life-threatening trials. 1 Peter reminded the readers of the many blessings available to them because of heir persecution. in 2 Peter. Peter warns them to discern and defeat the false teachers who were invading their churches and teaching them dangerous and deceptive doctrines. Peter's letters of encouragement and warning are just as important for believers today as they were during the first century.