Natyashastra
तस्मान्नित्यं प्रयत्नेन रज्जुग्रहणमिष्यते । कार्यं चैव प्रयत्नेन मानं नाट्यगृहस्य तु ॥ ३१॥
Therefore, the thread should always be grasped with effort. Similarly, the construction of the playhouse (Nāṭyagṛha) should also be undertaken with great care and effort.
english translation
tasmAnnityaM prayatnena rajjugrahaNamiSyate । kAryaM caiva prayatnena mAnaM nATyagRhasya tu ॥ 31॥
hk transliteration by Sanscript