Charak Samhita
काङ्कायनस्तु नेत्याह न ह्यारम्भफलं भवेत्। भवेत् स्वभावाद्भावानामसिद्धिः सिद्धिरेव वा ॥२२॥
॥ The opinion of Kankayana as Prajapatija Purusha (creator theory)॥ Refuting the arguments of Bharadwaja, sage Kankayana said, “No, such an effort would be fruitless. Things would either get accomplished or not get accomplished by the course of nature.
english translation
kAGkAyanastu netyAha na hyArambhaphalaM bhavet। bhavet svabhAvAdbhAvAnAmasiddhiH siddhireva vA ॥22॥
hk transliteration by Sanscript