Sirach 36:8

8 Sake the time short, remember the covenant, and let them declare thy wonderful works.

Sirach 36:8 In-Context

6 Shew new signs, and make other strange wonders: glorify thy hand and thy right arm, that they may set forth thy wondrous works.
7 Raise up indignation, and pour out wrath: take away the adversary, and destroy the enemy.
8 Sake the time short, remember the covenant, and let them declare thy wonderful works.
9 Let him that escapeth be consumed by the rage of the fire; and let them perish that oppress the people.
10 Smite in sunder the heads of the rulers of the heathen, that say, There is none other but we.

The Brenton translation of the Septuagint is in the public domain.