By the time I pulled up to the pump after work, my rational mind was completely gone.

In his rational mind, he had to believe that there was reason, and nothing else.

Then my rational mind took over and informed me that this simply couldn't be.

What you got to have is rationality, the rational mind.

How does even the rational mind respond to things that are not as they seem?

For his rational mind was not particularly in control right now.

As if the conscious, rational mind was the major driving force in human history!

"It may explain why so much of emotional life is hard to understand with the rational mind."

Everything about this operation so far seems to have been planned by a rational mind.

In his rational mind he knew exactly what was going on, but down inside he'd never quite gotten used to it.