Those who love others are "in the light"; those who hate are "in darkness". 2:9-11
"We should love one another." 3:11
"Let us not love in word, neither in tongue; but in deed and in truth." 3:18
"Love one another." 4:7
"God is love." 4:8
"If we love one another, God dwelleth in us." 4:12
"God is love; and he that dwelleth in love dwelleth in God, and God in him." 16
"There is no fear in love; but perfect love casteth out fear." 4:18a
"He that feareth is not made perfect in love." 4:18b