Published by Quotes and Verses,
1. Shahada - Faith in one God
2.Namaz - Prayers 5 times a day.
3. Roza - Fasting in the month of Ramzan.
4. Hajj - Pilgrimage to Mecca.
5. Zakat - Mandatory Charity.
The pillars 1 - 4 all being made for benefiting ones own self. Except the 5th one where a second person is involved.
Kind of trying to teach that you are more important than any other person. Think about yourself first and then probably do something for others.