We live on for ages, Legolas. Our grief is never forgotten, we do not grow old nor do our memories fade with time as theirs do.

[There has been times when Thranduil has envied Men the chance to forget after time. But time gave him no such respite. he could still remember every loss in vivid detail and the pain was still just as sharp.]

Eventually they are able to depart the world and be at rest. We are given no such chance.