Even the natural need of the human intellect for truth goes unacknowledged.

And when it is all over with the human intellect, nothing will have happened.

What more, it was asked, could be expected of human intellect?

This was a conscious act of human intellect, and nothing more.

I grieved to think how brief the dream of the human intellect had been.

Biological science may find ways to improve upon the natural human intellect.

Matter is no more than energy which, to the human intellect, appears static.

I feel most deeply that the whole subject is too profound for the human intellect.

But certain reflexes are much older than the human intellect.

Biological science may provide means to improve natural human intellect.