यज्ञ इज्यो महेज्यश्च क्रतुः सत्रं सतां गतिः ।
In plain words
He is the sacrifice, and the one worshipped in it — worshipped above all. He is the act of offering, the long rite that never breaks off, and the destination of everyone who is true.
Close to the Sanskrit
The sacrifice; the one to be worshipped; and the one supremely to be worshipped; the sacrificial act; the prolonged rite; the goal of the good.