Du'a using Allah's Name Al-Waasi'

اللَّهُمَّ يَا وَاسِعُ وَسِّعْ لَنَا الْعِلْمَ وَالْعَطَاءَ

Allahumma ya Waasi'u wassi' lanal 'ilma wal 'ataa'

O Allah, The All-Encompassing, increase our knowledge and generosity.

A general supplication, not a narration from the Prophet (peace be upon him).