National security is the most important subject of concern for any country. Even the mighty super powers are at constant vigil in their borders in order to preserve national security. Every year, the top most priority in the financial budget is given to national security because only if the country is safe against the foreign invasion, it is possible to concentrate on development and progressive plans. “The most important thing is national security-that we are controlling our borders so that terrorists don’t come in ‘said Chris Matthews. When national security is at stake, the country will fall into the hands of the invaders and it needs a long struggle to become independent. This has been experienced by many countries under the British rule and offers a lesson to be learned. Given here is a collection of quotes on national security told by senator, leaders and head of state.