Natyashastra
वर्धमाने प्रयुक्ते तु रुद्रस्तुष्यति सानुगः । तथा चोत्थापने युक्ते ब्रह्मा तुष्टो भवेदिह ॥ ४८॥
"When the process is being performed and progressing, Rudra, along with his followers, becomes pleased. Similarly, when the proper method of elevation is followed, Brahma is pleased here."
english translation
vardhamAne prayukte tu rudrastuSyati sAnugaH । tathA cotthApane yukte brahmA tuSTo bhavediha ॥ 48॥
hk transliteration by Sanscript