the most important night in Ramadan is layatul qadr because it was the night of when the holy Quran was sent down to Prophet Muhammad (SAW), So any Muslim who does layatul qadr will be forgiven for all the previous sins.
the five pillars of Islam is:
1. Shahada- "I testify that there is no god but Allah and Muhammad is the Prophet of God.
2. Salat( which means prayer) 5 times a day
3. Zakat (which means charity)
4. fasting in the month of Ramadan (which is this month)
5. Performing Hajj (pilgrimage to mecca where the Kaba is located
