Canto 3 -
Araṇya-kāṇḍa
Chapter 50: Jaṭāyu Challenges Rāvaṇa
Text 3.50.26

अवश्यं तु मया कार्यं प्रियं तस्य महात्मनः।
जीवितेनापि रामस्य तथा दशरथस्य च॥

avaśyaṁ tu mayā kāryaṁ priyaṁ tasya mahātmanaḥ
jīvitenāpi rāmasya tathā daśarathasya ca

avaśyam tu = certainly; mayā kāryam = I must do that; priyam = which pleases; tasya mahā-ātmanaḥ = the great soul; jīvitena api = even to the extent of giving up my life; rāmasya tathā = Rāma; daśarathasya = Daśaratha; ca = and.

I must certainly do that which pleases the great soul Rāma and Daśaratha, even to the extent of giving up my life.1

1 Rāmāyaṇa-bhūṣaṇa: jīvita-vyayenāpi.