"We know that ISIL and other terrorist groups are actively encouraging people, around the world and in our country, to commit terrible acts of violence, oftentimes as lone-wolf actors."

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The introduction of numbers as coordinates by reference to the particular division scheme of the open one-dimensional continuum is an act of violence whose only practical vindication is the special calculatory manageability of the ordinary number continuum with its four basic operations.

— Hermann Weyl