Canto 3 -
Araṇya-kāṇḍa
Chapter 40: Rāvaṇa Criticizes Mārīca
Text 3.40.23

एवं कृत्वा त्विदं कार्यं यथेष्टं गच्छ राक्षस।
राज्यस्यार्धं प्रयच्छामि मारीच तव सुव्रत॥

evaṁ kṛtvā tv idaṁ kāryaṁ yatheṣṭaṁ gaccha rākṣasa
rājyasyārdhaṁ prayacchāmi mārīca tava suvrata

evam = in this manner; kṛtvā tu = upon accomplishing; idam = this; kāryam = task; yathā-iṣṭam = where you like; gaccha = go; rākṣasa = O rākṣasa; rājyasya = [my] kingdom; ardham = half; prayacchāmi = I will give; mārīca = Mārīca; tava = you; suvrata = you have accepted pious vows.

O rākṣasa Mārīca, you have accepted pious vows. Upon accomplishing this task in this manner, go where you like! I will give you half [my] kingdom!