It would put them below the common level of human understanding.

There was mystery here - yes; but it might not be beyond human understanding.

Nothing is more important in this world than human understanding.

That inquiry cuts deep into the process of human understanding.

This did not come about by accident or through some general evolution in human understanding.

These people who were involved in this episode are beyond the power of human understanding, Father.

The size and age of the Cosmos are beyond ordinary human understanding.

The dream of perfect human understanding is hard to give up.

A stone wall so far as human understanding is concerned.

This difference must have a ground in the nature of the human understanding.