The demigods always fear the sound of your bowstring. They are constantly in anxiety, afraid of fighting. Therefore, what can they do by their endeavors to harm you?
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
किमुद्यमैः करिष्यन्ति देवाः समरभीरवः । नित्यमुद्विग्नमनसो ज्याघोषैर्धनुषस्तव
kimudyamaiḥ kariṣyanti devāḥ samarabhīravaḥ | nityamudvignamanaso jyāghoṣairdhanuṣastava
SB 10.4.32