James Blaine: “Wrongfully applied, it is a weakness, an offense, a stumbling-block in the way of party prosperity.”

Without the exercise of those functions which belong exclusively to the civil service, the laws cannot be executed in any event, no matter what may be the physical strength which the Government has at its command.

The right of the General Government to preserve itself in its whole constitutional vigor by repelling a direct and positive aggression upon its property or its officers cannot be denied.

And if Congress shall break up the present Union by unconstitutionally putting strife and enmity and armed hostility between different sections of the country, instead of the domestic tranquility which the Constitution was meant to insure…

You can use force only to repel an assault on the public property and aid the Courts in the performance of their duty.