To him who alone doeth great wonders: for his mercy endureth for ever. Who alone doeth great wonders - Miracles. No power but that which is almighty can work miracles, נפלאות niphlaoth, the inversion, or suspension, or destruction of the laws of nature.
Related Commentaries of Psalms 136:4
Psalms 136:4
4 To him who alone doeth great wonders: for his mercy endureth for ever.