Authors:

They best can judge a poet's worth, Who oft themselves have known The pangs of a poetic birth By labours of their own.

William Cowper, James Thomson (1832). “The Works of Cowper and Thompson: Including Many Letters and Poems Never Before Published in this Country. With a New and Interesting Memoir of the Life of Thomson”, p.113
They best can judge a poet's worth, Who oft themselves have known The pangs of a poetic birth By labours of their own.