In the appendix you will find the Akathist and the life of the Monk Sergius of Radonezh, who is rightfully considered the Wonderworker of All Russia. He is the founder of a number of Orthodox monasteries, including the Trinity-Sergius Lavra, which is located in Sergiev Posad near Moscow. He is considered the patron saint of students, they pray to him to pass exams, to enter educational institutions. But he helps in other situations, the main thing is to pray to him.