The fish is never free from anxiety, since big fish are always eager to eat the small fish. All living entities are eaten by bigger living entities. This is the way of material nature.
The Lord is harder than the thunderbolt for the wrongdoer and softer than the rose for the faithful.
Srimad Bhagavatam 3.3.13,
Lakshmi, the goddess of fortune, is called chanchal. Use it in worship of Lord Krishna.
A Vaishnava bestows the priceless gift of the mahamantra, Hare Krishna Hare Krishna Krishna Krishna Hare Hare/ Hare Rama Hare Rama Rama Rama Hare Hare. Simply by chainting this mantra one can remain in a liberated state.
The Matchless gift, Chapter-7,