There is a saying that sincerity is (a) — key to success. (b) — person can prosper in life by doing hard work. The man who does not follow (c) — rules of sincerity can never go (d) — long way in (e) — world. Many (f) — man is not conscious of (g) — importance of (h) — sincerity for which they don’t have (i) — benefit of (j) — success. However, we should be sincere to our work if we want to achieve anything notable.