Affirmations are positive statements that (describes) a desired situation or goal and are often repeated, in order to get them impressed on the subconscious mind.
Ashtadhyayi was written by Panini. He was a Sanskrit grammarian who gave a comprehensive and scientific theory of phonetics, phonology, and morphology. Panini was born in Shalatula, a town near to Attock on the Indus river in present day Pakistan.