Intelligence
Intelligence was, according to the First Doctor, the ability to utilise one's knowledge in a given situation. He claimed that just because someone's existing knowledge was limited did not mean they were less intelligent. (AUDIO: Daughter of the Gods [+]Loading...["Daughter of the Gods (audio story)"])
Intelligence did not necessarily mean that one would have sympathy. (TV: Planet of Giants [+]Loading...["Planet of Giants (TV story)"])
Tamsin Drew was accused by Morella Wendigo of having a lack of either intelligence or a sense of humour. (AUDIO: Nevermore [+]Loading...["Nevermore (audio story)"])
When Necros disguised himself as the Fourth Doctor, the Doctor complimented him on his "clever disguise". (TV: Streets Doctor Who advertisement [+]Loading...["Streets Doctor Who advertisement (TV story)"])
The Sixth Doctor said that his face was "beaming with a vast intelligence". (TV: The Twin Dilemma [+]Loading...["The Twin Dilemma (TV story)"]) He later said the same to River Song. (AUDIO: World Enough and Time [+]Loading...["World Enough and Time (audio story)"])
UNIT had been at the forefront of "forefront of intelligence-gathering and special operations outside operational norms" since 1968. (PROSE: UNIT History: Fighting the unknown [+]Loading...["UNIT History: Fighting the unknown (short story)"])
In preparation for the Final Experiment, the Cult of Skaro accessed their prisoners' intelligence. Those with high intelligence were taken aside for the Experiment. Those with low intelligence were processed into pig slaves. (TV: Daleks in Manhattan [+]Loading...["Daleks in Manhattan (TV story)"])
Other realities
Joe Smith's universe
In one parallel universe, when a Cyberman appeared outside Joe Smith's door, Smith decided to "play it smart", easing back the safety on his "38" and aiming. (COMIC: The Glorious Dead (part 5) [+]Loading...{"part":"5","1":"The Glorious Dead (comic story)"})