Tafsir of Al-Waqi'ah 56:74

Then glorify with praises the Name of your Lord, the Most Great. meaning, the One by Whose ability these things opposites were created. He created the fresh tasty water, and had He willed, He would have created it salty like seawater. He also created the fire that burns, and made a benefit in it for the servants, suitable for their livelihood in this life and as a warning and a punishment for them in the Hereafter