"But the cause for which we fought was higher; one thought wider...That thought was our power." 
Maj. Gen. Joshua Chamberlain"

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"War is cruelty.  There is no use trying to reform it.  The crueler
it is, the sooner it will be over." 
Maj. Gen. William Tecumseh Sherman"

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"The Union, which can alone insure internal peace, and external security to each state, must and shall be preserved, cost what it may in time, treasure, and blood. "
Maj. Gen. George McClellan"