She found him where logic told her he would be.

Logic told him that no matter what he did, it wouldn't make any difference.

All he wanted to do was turn around and save her, even though logic told him she wasn't in trouble.

But your logic will tell you how impossible that is.

But logic and experience tell us that it is time to question the system of secret government.

But all the time his logic was telling him: This isn't the way.

So his logic should tell him that she was not one of the enemy.

The logic of dreams told him these things were so and he believed them.

Now then, he thought, logic tells me there's nothing beyond this door.

Instinct, rather than logic, told him that it might not be a good idea.