The document discusses God's litmus tests for humanity throughout history to test their faith and obedience. It draws parallels between Adam and Eve's test regarding the forbidden fruit tree and God's end-time remnant being tested on obeying the Sabbath. Both tests involved choosing obedience to God over listening to the devil's deception. Failure to pass these tests resulted in sin and death. The document urges readers to accept God's authority as shown by keeping His Sabbath commandment.