One verse

Srimad Bhagavatam 10.77.19

10.77.19

श्रीभगवानुवाच वृथा त्वं कत्थसे मन्द न पश्यस्यन्तिकेऽन्तकम् । पौरुषं दर्शयन्ति स्म शूरा न बहुभाषिण: ॥ १९ ॥

śrī-bhagavān uvāca vṛthā tvaṁ katthase manda na paśyasy antike ’ntakam paurusaṁ darśayanti sma śūrā na bahu-bhāṣiṇaḥ

śrī-bhagavān uvāca
the Supreme Lord said
vṛthā
in vain
tvam
you
katthase
boast
manda
O dull one
na paśyasi
you do not see
antike
near
antakam
death
pauruṣam
their prowess
darśayanti
demonstrate
sma
indeed
śūrāḥ
heroes
na
not
bahu
much
bhāṣiṇaḥ
speaking

The Supreme Lord said: O dullard, you boast in vain, since you fail to see death standing near you. Real heroes do not talk much but rather show their prowess in action.