At one level, all major religious traditions have the same aim: to transform the individual into a positive being.
Neither peace nor war exists independently of us. Political and military leaders have grave responsibilities with respect to peace – but they too are members of the society that we as individuals help to create. Peace in the world depends on peace in the hearts of individuals; this depends on each of us practising ethics by disciplining our negative thoughts and emotions, and developing basic spiritual qualities.
Samsara and nirvana are nothing but different manifestations of a basic continuum. So this continuity of consciousness is always present. This is the meaning of tantra, or continuity.