बेरमात्रं च पूजार्थं श्रुतं दृष्टं च भूरिशः । शिवमात्रस्य पूजायां लिंगं बेरं च दृश्यते १८ ।
The embodied form alone is often observed in the worship of the deities other than Śiva. But both the phallic and the embodied forms are seen only in the worship of Śiva. Hence O benevolent one, please tell me precisely making me understand the truth.