This is the 8768th most frequent Japanese word.
未来永劫
"Forever and ever; for all eternity."
In this sentence, '未来永劫' is used to express the concept of eternal or perpetual continuity of their friendship.
彼らの友情は未来永劫続くだろう。
Their friendship will last forever.
Here, '未来永劫' signifies the hope or aspiration for eternal peace, emphasizing its unending duration.
我々は未来永劫平和を望むべきだ。
We must always wish for eternal peace.
In this context, '未来永劫' underscores the timeless nature of the event being remembered and shared indefinitely.