yadi sei mahaprabhura na pai krpa-dhana
kiba rajya, kiba deha,-saba akarana
yadi—if; sei—that; mahaprabhura—of Lord Sri Caitanya Mahaprabhu; na—not; pai—I get; krpa-dhana—the treasure of mercy; kiba rajya—what is the value of my kingdom; kiba deha—what is the value of this body; saba akarana—everything useless.
"If I do not receive Sri Caitanya Mahaprabhu's mercy, my body and my kingdom are certainly useless."
This is an excellent example of drdha-vrata, determination. If one does not receive the Supreme Personality of Godhead's mercy, one's life is defeated. In Srimad-Bhagavatam (5.5.5) it is said: parabhavas tavad abodha-jato yavan na jijnasata atma-tattvam. Unless one inquires into spiritual life, everything is useless. Without spiritual inquiry, our labor and the object of our labor are simply a waste of time.
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