Dear Queen, you must have worshiped the Supreme Personality of Godhead, who delivers His devotees from the greatest danger. Persons who constantly meditate upon Him surpass the course of birth and death. This perfection is very difficult to achieve.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अभ्यर्चितस्त्वया नूनं भगवान् प्रणतार्तिहा । यदनुध्यायिनो धीरा मृत्युं जिग्युः सुदुर्जयम्
abhyarcitastvayā nūnaṃ bhagavān praṇatārtihā | yadanudhyāyino dhīrā mṛtyuṃ jigyuḥ sudurjayam
SB 4.9.52