It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both): By «﴿يَرْفَعِ اللَّهُ الَّذِينَ آمَنُوا مِنْكُمْ وَالَّذِينَ أُوتُوا الْعِلْمَ دَرَجَاتٍ ....﴾» [المجادلة: 11/58] is meant those people of knowledge whose ranks Allah Almighty will raise above the believers.