It is absurd to believe that young children can run faster than policemen.

We can hardly settle things by theory alone.

She knows poverty only in the abstract.

I was completely taken aback by her reasoning.

He's not talking theory.

He is too wise not to see the reason.

His explanation doesn't make sense at all.

It is contrary to reason.

This is above reason.

The heart has its reasons, which reason does not know.

I don't know how or why, but I love you.