They must be authentic men, taking a line of their own and capable of intellectual passion.

His intellectual passion was quantum mechanics, about which he had corresponded with Einstein as a youth.

It is a return to his old intellectual passion for the science of orbital mechanics.

You cannot imagine what this means to an investigator, what an intellectual passion grows upon him!

Hard times influence what and how these students study more than do intellectual passion or political commitment.

Next to literature, politics was Conrad's greatest intellectual passion.

His intellectual passion was, and has remained, how to stanch the decline of American power.

What he found was an intellectual passion that has endured to this day one that brings perspective.

To do that would have betrayed the collective possibility and the individual reality, two of her intellectual passions.

But somewhere along the way, Mr. Podesta developed an intellectual passion about the environment.