One verse

Srimad Bhagavatam 12.3.49

12.3.49

तस्मात् सर्वात्मना राजन् हृदिस्थं कुरु केशवम् । म्रियमाणो ह्यवहितस्ततो यासि परां गतिम् ॥ ४९ ॥

tasmāt sarvātmanā rājan hṛdi-sthaṁ kuru keśavam mriyamāṇo hy avahitas tato yāsi parāṁ gatim

tasmāt
therefore
sarva-ātmanā
with all endeavor
rājan
O King
hṛdi-stham
within your heart
kuru
make
keśavam
Lord Keśava
mriyamāṇaḥ
dying
hi
indeed
avahitaḥ
concentrated
tataḥ
then
yāsi
you will go
parām
to the supreme
gatim
destination

Therefore, O King, endeavor with all your might to fix the Supreme Lord Keśava within your heart. Maintain this concentration upon the Lord, and at the time of death you will certainly attain the supreme destination.