Surah An-Nazi'at — Ayah 20 (79:20)
فَأَرَىٰهُ ٱلۡأٓيَةَ ٱلۡكُبۡرَىٰ ٢٠
English translation (Saheeh International)
And he showed him the greatest sign,1
- - i.e., the miracle of his staff becoming a great snake.
Brief commentary
Moses (peace be upon him) then showed him the great miracle that proved he was a Messenger from his Lord, i.e. the Hand and the Staff.