If someone comes and keeps knocking at the door, and if at the end of four or five days he has shown himself patient in bearing his harsh treatment and difficult entry ... then he shall be allowed to enter.
The Rule of St. Benedict, Rule 58
As illustrated in this excerpt from the Rule, St. Benedict teaches us that admission into the monastic order should not be an easy thing. Before one can be admitted as a full member, proper discernment needs to take place. This discernement is the period of Formation, equal parts interview and training.