"I am a great believer rather than the popular scientific way of dealing with things that 'Nothing exists unless you can prove it'. I am pretty much the other way that pretty much anything can exist unless you can disprove it."

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I believe, I am pretty certain that virtually everyone speaking from the United Nations platform is going to talk about the fight, about the need to fight terrorism, and I cannot avoid this issue, either. This is quite understandable because it is a serious common threat to all of us; it is a common challenge to all of us.

— Vladimir Putin