"It is the stretched soul that makes music, and souls are stretched by the pull of opposites-opposite bents, tastes, yearnings, loyalties. Where there is no polarity-where energies flow smoothly in one direction-there will be much doing but no music."

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In order to threaten Iran, you [America] say that you can secure the energy flow in the region. You are wrong. Beware that if you make the slightest mistake over Iran, the energy flow through this region will be seriously endangered. You will never be capable of providing energy security in this region. You are not capable and you should know this.

— Ali Khamenei