This quote is written / told by George C. Marshall between December 31, 1880 and October 16, 1959. He/she was a famous Soldier from USA.
The author also have 3 other quotes.
"When the principles that run against your deepest convictions begin to win the day, then the battle is your calling, and peace has become sin. You must at the price of dearest peace lay your convictions bare before friend and enemy with all the fire of your faith"