Allah peaceful security guidance Al- An 'am 6:82, Al-Baqarah 2:165

Allah Subhanahu wa Ta'ala says: 

It is those who believe (in the
Oneness of Allah and worship
none but Him Alone) and do not
mix their belief with Zulm (by
wronging themselves, that is, by
worshipping others besides Allah),
for them (only) there is peaceful
security and they are the rightly
Al- An 'am 6:82

Allah Subhanahu wa Ta'ala says:
 And those who believe are intense
 in their love for Allah.

Al-Baqarah 2:165