देश का हित।

हमें हर काम देशहित में करना चाहिए।
देश-हित, देशहित, राष्ट्र-हित, राष्ट्रहित

A reason for wanting something done.

For your sake.
Died for the sake of his country.
In the interest of safety.
In the common interest.
interest, sake