'Go early' means to be very early, coming forth and taking control and being able 'to cultivate your land' means the place of your benefit that you have prepared and toiled in, so no one else deserves it. It is as if they were delaying their standing up and going forth, so they stopped from it by His saying: 'If you are' meaning today is a state that is for you with utmost desire 'quickly cutting' means gathering the harvest so that it is safe for you without anyone sharing it with you as you have agreed upon, or being resolute in what you have determined. And he expressed their hastening to go by saying: