The mood and the qualification of the student is that he is always praying for the mercy of the teacher. The mood is very important in the relationship between the student and the master.
If you are sincere and very serious about understanding the meaning of life then the Lord will arrange to send someone so that you can get that knowledge.
The spiritual master can instruct the disciple though many different formats.
When the teacher, the spiritual master, is praying for the mercy of the Lord to enlighten the student, then by the blessings of the Lord the student gets the blessing of knowledge.