Which beliefs promote the concept of peace and tolerance?
Off hand, Budhism is one of the few, if not only, world
religions that speaks to the causes of peace and tolerance. Another
belief system that is generally peaceful would be atheism and
agnosticism. In general, only rational belief systems promote peace
and tolerance.
All of the other major world religions will give verbal homage
to peace and tolerance, yet all of their written works (including
those of christianity, islam and catholicism) include verbage that
direct its followers to perform violence against unbelievers.
Already we see islam and christianity squaring off, positioning
themselves for global conflict. If people are ever burnt to death
on the stake again, as during the inquisition, it will be the work
of religious people.