22
Śrīmad-Bhāgavatam
[Canto 8, Ch. 9]
PURPORT
Since Rāhu had become immortal, Lord Brahmā accepted him as one of the  grahas , or planets, like the moon and the sun. Rāhu, however, being an eternal enemy of the moon and sun, attacks them periodically during the nights of the full moon and the dark moon.
TEXT 27
पीतप्रायेऽमृते देवैर्भगवान् लोकमात्रनः । पश्यतामसुरेन्द्राणां स्वं रूपं जगृहे हरिः ॥२७॥
pīta-prāye 'mṛte devair bhagavān loka-bhāvanaḥ paśyatām asurendrāṇām svam rūpam jagṛhe hariḥ
pīta-prāye —when almost finished being drunk;  amṛte —the nectar;  devaiḥ —by the demigods;  bhagavān —the Supreme Personality of God-head as Mohinī-mūrti;  loka-bhāvanaḥ —the maintainer and well-wisher of the three worlds;  paśyatām —in the presence of;  asura-indrāṇām —all the demons, with their chiefs;  svam —own;  rūpam —form;  jagṛhe —manifested;  hariḥ —the Supreme Personality of Godhead.
TRANSLATION
The Supreme Personality of Godhead is the best friend and well-wisher of the three worlds. Thus when the demigods had almost finished drinking the nectar, the Lord, in the presence of all the demons, disclosed His original form.
TEXT 28
एवं सुरासुरगणाः समदेशकाल- हेत्वर्थकर्ममतयोऽपि फले विकल्पाः । तत्रामृतं सुरगणाः फलमञ्जसापु- र्यत्यादपङ्कजरजःश्रयणान्न दैत्याः ॥२८॥