What is the proof of perfect love

Verse 1
What is the proof of perfect love?
Assertions bold that “I am he
Whom God assures I cannot move,
And sin is all destroy’d in me?”
No pompous words the tokens are:
Words are but leaves, and not the fruit:
The leaves may spread, and flourish fair,
While nature’s pride is at the root.

Verse 2
Great words an evil tree may bear:
Partners of real holiness
By purity of life declare,
By deeds their perfect love confess:
True goodness grows on a good tree,
Meekness which no affront can move,
Patience, conceal’d humility,
And all the fruits of silent love.

Hymnal/Album: Originally titled “Every tree is known by its own fruit.”— [Luke] vi. 44. Introduced in Charles Wesley, Short Hymns on Select Passages of the Holy Scriptures, Vol. 2 (Bristol: Farley, 1762). Published in The Poetical Works of John and Charles Wesley, Collected and Arranged by G. Osborn, Vol. 11 (London: Wesleyan-Methodist Conference Office, 1871), page 156.
Publishing: Public Domain