I know how complex such things as this can be.

But in so complex a thing as human nature, we must consider, it is hard to find rules without exceptions.

As for the rest, human personality is a complex thing, nor am I a judge.

In the second, reliance on authority was a very complex thing.

He is the only one among us who knew how to make such complex things with herbs.

We had no idea of how complex this whole thing was going to get.

"More complex things are going on," he said, "and the Tree is still trying to make sense of what has happened."

This is the problem with trying to explain complex things to simple people.

What a vast and complex thing might this system be!

I think making a democracy is a far more complex thing than that just having an election.