The Brahma-samhita is a very important scripture. Sri Caitanya Mahaprabhu acquired the Fifth Chapter from the Adi-kesava temple. In that Fifth Chapter, the philosophical conclusion of acintya-bhedabheda-tattva (simultaneous oneness and difference) is presented. The chapter also presents methods of devotional service; the eighteen-syllable Vedic hymn; discourses on the soul, the Supersoul and fruitive activity; an explanation of Kama-gayatri, kama-bija and the original Maha-Visnu; and a detailed description of the spiritual world, specifically Goloka Vrndavana. Brahma-samhita also explains the demigod Ganesa; Garbhodakasayi Visnu; the origin of the Gayatri mantra; the form of Govinda and His transcendental position and abode; the living entities; the highest goal; the goddess Durga; the meaning of austerity; the five gross elements; love of Godhead; impersonal Brahman; the initiation of Lord Brahma; and the vision of transcendental love enabling one to see the Lord. The steps of devotional service are also explained. The mind; yoga-nidra; the goddess of fortune; devotional service in spontaneous ecstasy; incarnations beginning with Lord Ramacandra; Deities; the conditioned soul and its duties; the truth about Lord Visnu; prayers; Vedic hymns; Lord Siva; the Vedic literature; personalism and impersonalism; good behavior; and many other subjects are also discussed. There is also a description of the sun and the universal form of the Lord. All these subjects are conclusively explained in a nutshell in the Brahma-samhita.