We have been fighting the longest running communist insurgency in history. We have been coming to grips with fundamentalist terrorism long before 9/11.

We hope the peace will last for twenty years. Then we will be here again.

The twentieth century was like twenty years' worth of change at today's rate of change.

the value of our attention has been remarkably stable over 20 years.

After an existence of nearly twenty years of almost innocuous desuetude, these laws are brought forth.

"How about it, Skywalker? Will you still fight for me after we've been married for twenty-odd years?"
"What do you mean by 'still'? You do your own fighting. If I forget that, I'm not likely to survive until our twentieth anniversary."
Mara & Luke

Now you know all there is to know. But it will be twenty years before you see.

We didn't know much about each other twenty years ago. We were guided by our intuition; you swept me off my feet. It was snowing when we got married at the Ahwahnee. Years passed, kids came, good times, hard times, but never bad times. Our love and respect have endured and grown. We've been through so much together and here we are right back where we started 20 years ago — older, wiser — with wrinkles on our faces and hearts. We now know many of life's joys, sufferings, secrets and wonders and we're still here together. My feet have never returned to the ground.

We will always be neighbours of Germany. We face the alternative of reaching an agreement with her or of clashing every twenty years on the battlefield.

for many people “twenty years of experience” is really one year of experience repeated twenty times.

My wife and I were happy for twenty years. Then we met.

Twenty-four years of noble struggle against so many morbid germs that would annihilate the collective effort, that terribly and vilely devote themselves to devouring mutualism

While we have come very far in the fight against these heinous acts, the road ahead remains long and arduous.

The chief business of twentieth-century philosopy is to reckon with twentieth-century history.