Hindsight

That's hindsight.

With 20/20 hindsight, he could tell why they lost the game.

The general had 20/20 hindsight about the defeat, but no foresight at all.

Now I know I should have stayed in that job, but hindsight is always 20-20 - I couldn't have known it when I was leaving.

In hindsight, this was a mistake.

In hindsight it is hard to decide whether this project was a failure or whether its side benefits made it a success.

But, of course, hindsight is 20-20.

With the benefit of hindsight, we can see things which should have been done differently, or not at all.

Hindsight is always twenty-twenty.

Hindsight is always 20/20.