The Clear Evidence - 98:8
Their reward with their Lord is Gardens from which rivers flow. They will abide therein forever. Allah is pleased with them and they are pleased with Him. Such is the reward of those who honor their Lord.
The rivers in Paradise:
Muhammad/47:15
This is the example of Paradise promised to the righteous: In it are rivers of pure water, rivers of milk whose taste does not spoil, rivers of intoxicants that give flavor to those who drink them, and rivers of strained honey. For them therein are all kinds of produce and forgiveness from their Lord. Will their condition be like that of those who are made to drink of boiling water which stays in the fire permanently and tears their bowels?