What did Prophet Muhammad (saw) say about seeking the time of Lailat-ul-Qadr in the last (ten) or nine nights?
 'Ibn 'Umar (Allah be pleased with both of them) reported Allah's Messenger (may peace be upon him) as saying:                      Seek the time of Lailat-ul-Qadr in the last (ten nights), or he said: in the last nine (nights).