“Vulcans, as a matter of custom and policy, suppress or think past emotional influence by living lives of rigid emotional self-control through meditative techniques and training of mental discipline.”
(Source: Wikipedia)
Sweets: “You know our very work shows us that, that those people, that call the world an abattoir - a slaughterhouse - they have a point. Now you handle that knowledge by imposing this, gossamer web of rationality over the ugliness.”
Bones: Season 5, Episode 6