"a forcible overthrow of a government system or social system in favor of a new one."
"a forcible overthrow of the system of selfishness, self-gratification, greed, hurt, sorrow, despair, and purposelessness through the weapon of selfless love."
Jesus Christ was the greatest example that ever existed. He died on the cross to pay for sins that were not His own – they were yours. The person who gave you this card has experienced that Revolutionary Love and is passing it on to you.
Romans 5:8 “But God demonstrates His own love toward us, in that while we were yet sinners, Christ died for us.”