Principles of contents :
Al Quran began descending at night Lailat Qadr, which is worth more than a thousand months; the angels and Gabriel come down to earth on the night of GLORY to organize everything. Al Qadr is explained that the beginning of the Quran was revealed on the night of.
Al-Qadr [Power, Fate, Glory]
1. We have indeed revealed this (Message) in the Night of Power:
2. And what will explain to thee what the night of power is?
3. The Night of Power is better than a thousand months.
4. Therein come down the angels and the Spirit by Allah's permission, on every errand:
5. Peace!...This until the rise of morn!
The verses above regard the Night as better than one thousand months. The whole month of Ramadan is a period of spiritual training wherein believers devote much of their time to fasting, praying, reciting the Qur'an, remembering God, and giving charity. However because of the revealed importance of this night, Muslims strive harder in the last ten days of Ramadan since the Laylat al-Qadr could be one of the odd-numbered days in these last ten (the first, third, fifth, or seventh). Normally, Muslims would perform an i'tikaf in the mosque (i.e they remain in the mosque for the last ten days at a stretch) for prayers and recitation.
Read more about The Night of Glory Laylat al-Qadr (لیلة القدر)
Read more about The Secret of Ramadan