He could hardly stand still so great was his mental agitation, and he ran towards Holmes with two eager hands outstretched.

The melancholy in her countenance bore witness to much mental agitation.

The promise of a warm fall day did not quiet her mental agitation; as always, she thought of her brother, Tristan.

On the other hand, the growing mental agitation she had sensed in the conference room was gone now.

We found, too, that the seizures were induced by mental agitation.

Strong mental agitation and disturbance was no novelty to him, even before his late sufferings.

Spock's mental agitation was increasing daily, along with his forgetfulness.

We lose it because of the harm caused by mental agitation.

To complement this theory, one can consider the need to "stop" feeling emotional pain and mental agitation.

He shoved a hand through his hair, sure sign of mental agitation, but made a masterful effort to calm himself.