This is how we know what love is: Jesus Christ laid down his life for us. And we ought to lay down our lives for our brothers and sisters.
References for 1 John 3:16
If anyone has material possessions and sees a brother or sister in need but has no pity on them, how can the love of God be in that person?
References for 1 John 3:17
Dear children, let us not love with words or speech but with actions and in truth.
References for 1 John 3:18
This is how we know that we belong to the truth and how we set our hearts at rest in his presence: