“The concise book of Mitzvoth” compiled by the Chofetz Chaim (Rabbi Israel Meir Kagin, 1839-1933). This was the last book written by the leader of the generation.
The Way of God Devotion in general consists of two elements: study and Mitzvot observance. Mitzvot Observance has four categories...
“The Holy One Blessed is He, wished to confer merit on Israel therefore he gave us Torah and Mitzvot in abundance.”
"Take heed and be very careful not to forget the things your eyes saw the day you stood before God" Devarim 4: 8-10