Just ordinary intelligence isn't enough to do the job.

"Any man of ordinary intelligence," he said, "could break into a house."

But there is a satisfactory rational explanation which I believe can be made plain to persons of ordinary intelligence.

To the ordinary intelligence such a scrap of nonsense meant nothing at all.

What person of even ordinary intelligence would agree to such a deal?

The most ordinary intelligence can perceive without much reflection that anything of the sort is bound to be a fool's bargain.

Peabody recalled Roosevelt as "a quiet, satisfactory boy of more than ordinary intelligence, taking a good position in his form but not brilliant".

They can be understood by the most ordinary intelligence, and for that reason the intelligentsia need not become offended at them.

"Merely ordinary intelligence that would have occurred to you in a moment," Mintaka flashed.

God's Word is freely accessible to every reader or hearer of ordinary intelligence, without requiring any special education.