What is Prayer?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Hari ke jan satigur, satpurkha binau karau gur paasi.

– Shri Guru Granth Sahib, 10

{O humble servant of the Lord, O true Guru, O true primal being, I offer my humble prayer to you, O Guru!}