Some keep mantras & affirmation in the same category but there are differences between them. We have a wide assortment of ancient, verified mantras like we have beej mantras that activate a particular neuron system then we have elaborated mantras together with different techniques and levels to manifest something, for example, if one cannot read or chant difficult Sanskrit mantras then we have Shabar mantras for quick & desired results. Affirmation has come out of the western culture. We cannot call it ancient as its history is well-known. The founder of affirmation was a lady who spent a considerable time struggling with the life. Then she worked on affirmations & repeated thoughts and she succeed in getting the result. Scientifically, if we repeat a specific kind of thought constantly for 40 days the exert forms a cell that commands the cellulose and the body used to react upon that thus act in a likely manner. Indian astrology also recommends doing any remedy for 40 days. Basically, both mantras & affirmations are working on a mutual intent viz. repeating the thought constantly for some days. Yet, affirmation is a minute part of Mantras. Virtually, our mantras are rather authoritative. If you keep the mantra on a daily basis for certain days the mantra will turn out to be Sidh and will start giving you positive results by default. Next comes, how to chant mantras. There are no hard & fast rules to chant any mantra be it lakshmi mantras, kuber mantra or any other. Watch out the video to know more about mantras and the process to chant them.