That was exactly what happened — the conformists showed less brain activity in the frontal, decision-making regions and more in the areas of the brai… - Susan Cain

Gandhi himself ultimately rejected the phrase “passive resistance,” which he associated with weakness, preferring satyagraha, the term he coined to mean “firmness in pursuit of truth.

Mark Twain once told a story about a man who scoured the planet looking for the greatest general who ever lived. When the man was informed that the person he sought had already died and gone to heaven, he made a trip to the Pearly Gates to look for him. Saint Peter pointed at a regular-looking Joe. “That isn’t the greatest of all generals,” protested the man. “I knew that person when he lived on Earth, and he was only a cobbler.” “I know that,” said Saint Peter, “but if he had been a general, he would have been the greatest of them all.

Shyness is the fear of negative judgment, while introversion is simply the preference for less stimulation. Shyness is inherently uncomfortable; introversion is not. The traits do overlap, though psychologists debate to what degree.