He said 1989 "won't be as good, but we've been wrong before."

"I'm not sure the market will support that price, but I've been wrong before."

I've been wrong before," he said, "but never much on big things.

Some scientists tell us that the earth is in serious trouble, but science has been wrong before.

After all, the pilots argued, intelligence had been wrong before.

She didn't sense that in him, but she had been wrong before.

He had been wrong before, but there was nothing to do now but keep trying.

I've been wrong before, and I will be again.

I guessed most of his weight to be fat, but I've been wrong before.

I actually think it was a smart move, but I've been wrong before, so time will tell.