Dharma is our best friend: In this world, good action alone, which follows a person even after death, is considered to be a good friend. Along with the body everything else is destroyed. [Mahabharata]
धर्म एव सुहृल्लोके
निधनेऽप्यनुयाति यः ।
शरीरेण समं नाशं
सर्वमन्यद्धि गच्छति ॥
collected by Vedanta students of Pune.