This is a quote by Max Born. In 1954 he was granted the Nobel Prize for Physics. His quote says it better than I ever could.
"The belief that there is only one truth and that oneself is in possession of it seems to me the deepest root of all evil that is in the world."
Quote from Rod Sterling who was the writer and host of The Twilight Zone:
"The tools of conquest do not necessarily come with bombs, and explosions, and fallout. There are weapons that are simply thoughts, ideas, predjudices, to be found only in the minds of men. For the record, predjudices can kill and suspicion can destroy. A thoughtless, freightened search for a scapegoat has a fallout all it's own for the children yet unborn. And the pity of it is, is that these things can not be confined to the Twighlight Zone.”
This just made me laugh:
BTVS Season 6 Episode Smashed
BUFFY: But ... when I kissed you ... you know I was thinking about Giles, right?
SPIKE: You know, I always wondered about you two.
Can't credit this since I have no idea who created it. If it's yours, let me know so I can.