Lord Vishnu is considered as the preserver of the universe as per the Hindu Mythology. It is believed that Vishnu is an eternal and universal spirit associated with the primeval waters that pervaded before the creation of the universe. Vishnu Mantra forms the part of prayers offered to the lord. Sri Vishnu Mantra is as follows:
"Shaantaakaaram Bhujagashayanam Padmanaabham Suresham
Vishwaadhaaram Gaganasadrasham Meghavarnam Shubhaangam
Lakshmikaantam Kamalanayanam Yogibhirdhyaanagamyam
Vande Vishnum Bhavabhayaharam Sarvalokaikanaatham"