Sirach 44:18

18 An everlasting covenant was made with him, that all flesh should perish no more by the flood.

Sirach 44:18 In-Context

16 Enoch pleased the Lord, and was translated, being an example of repentance to all generations.
17 Noah was found perfect and righteous; in the time of wrath he was taken in exchange therefore was he left as a remnant unto the earth, when the flood came.
18 An everlasting covenant was made with him, that all flesh should perish no more by the flood.
19 Abraham was a great father of many people: in glory was there none like unto him;
20 Who kept the law of the most High, and was in covenant with him: he established the covenant in his flesh; and when he was proved, he was found faithful.

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