My little children, let us not love in word or in tongue, but in deed and in truth.
1 John 3:18
Surrounding context
3:17 But whoever has this world's goods, and sees his brother in need, and shuts up his heart from him, how does the love of God abide in him?
3:18 My little children, let us not love in word or in tongue, but in deed and in truth.
3:19 And by this we know that we are of the truth, and shall assure our hearts before Him.