Teenagers, it turns out, are highly rational creatures in some ways.

So, rational creature that she was, she said, "I could live with three days once a month."

Now that you've made your choices, you can read on to discover whether you're a rational creature.

But Koolhaas knows that the city itself is not a rational creature.

We like to think of ourselves as rational creatures.

The farmer, by this time, was convinced I must be a rational creature.

Now you know there is at least one other rational creature in the Universe besides man.

She had become something less than a rational human creature, and all she could think about was getting relief.

Every rational creature has all nature for his dowry and estate.

They are given human form because man is the only rational creature we know.