carved in stone

Ukraine's leader is a boxing fan and has a glove carved in stone gifted to him by Usyk proudly placed in his office.

Those terms are not carved in stone, however.

In cemeteries from Alaska to Israel, families have memorialized their loved ones with the deceased’s most cherished recipes carved in stone.

Kazaks added that initially the ECB should raise rates by 25 basis points but this increment is not carved in stone.

Slowly the pieces came together in his mind, the giant golden snake that had just passed, the countenance he had seen carved in stone a thousand times inside the Temple of Lkossa.