'Sixty' means the full time and state of the implantation of truth in our minds.

(Odkazy: Apocalypse Explained 648)

648. Verses 7, 8. And when they shall have finished their testimony, the beast that cometh up out of the abyss shall make war with them, and overcome them and kill them. And their bodies shall be upon the street of the great city, which spiritually is called Sodom and Egypt, where also our Lord was crucified.

7. "And when they shall have finished their testimony," signifies in the end of the church, when the Divine of the Lord is no longer acknowledged, and thence there is no longer any good of love or truth of doctrine n. 649; "the beast that cometh up out of the abyss shall make war with them," signifies assault from infernal love n. 650; "and shall overcome them and kill them" signifies the consequent destruction of every good and truth of the church (n. 651).

8. "And their bodies shall be upon the street of the great city," signifies their extinction by the evils and falsities of doctrine n. 652; "which spiritually is called Sodom and Egypt," signifies through the evils of the love of self, and the falsities therefrom (n. 653, 654); "where also our Lord was crucified," signifies by which, namely, by evils and falsities therefrom springing from infernal love, the Lord was rejected and condemned n. 655.