I love my Border Collies! They are such a great breed, known for their obedience and intelligence. 
They're super cute to! I actually grew up with a Great Dane, and hes not nearly as well trained as most Border Collies i've seen
Border Collie
The Border Collie is a working and herding dog breed developed in the Scottish borders for herding livestock, especially sheep. It was specifically bred for intelligence and obedience.
Considered highly intelligent, extremely energetic, acrobatic and athletic, they frequently compete with great success in sheepdog trials and dog sports. They are often cited as the most intelligent of all domestic dogs. Border Collies continue to be employed in their traditional work of herding livestock throughout the world.
Description.
In general, Border Collies are medium
black and tan and tricolour (black-and-tan and white).
Temperament.
Collies range in trainability from the "average" to very biddable. The Border Collie is also the breed most in need of a job, while other collie breeds fit well into an active family lifestyle.
Temperament Working types.
A working member of a collie breed, such as the Border Collie, is an energetic and agile dog with great stamina. When in fit, working condition they are able to run all day