The Author Emphasizes on the importance of Zakat & Fasting, the two basic pillars of Islam. He makes it clear that to pay Zakat (charity) and to fast during Ramadan is obligatory on every adult Muslim.
Other Sources:
Al-Wakil (The Trustee, The Dependable, The Advocate) - Allah's / Gods' Name
Al-Waliy (The Friend, Patron and Helper) - Allah's / Gods' Name