One verse

Srimad Bhagavatam 1.7.44

1.7.44

सरहस्यो धनुर्वेद: सविसर्गोपसंयम: । अस्त्रग्रामश्च भवता शिक्षितो यदनुग्रहात् ॥ ४४ ॥

sarahasyo dhanur-vedah savisargopasamyamah astra-gramas ca bhavata siksito yad-anugrahat

sa-rahasyah
confidential
dhanuh-vedah
knowledge in the art of manipulating bows and arrows
sa-visarga
releasing
upasamyamah
controlling
astra
weapons
gramah
all kinds of
ca
and
bhavata
by yourself
siksitah
learned
yat
by whose
anugrahat
mercy of.

It was by Dronacarya’s mercy that you learned the military art of throwing arrows and the confidential art of controlling weapons.