He was a burning and shining light. So you were willing, at the time, to exult in his light.
He was a burning and a shining light: and ye were willing for a season to rejoice in his light.
John was the lamp that kept on burning and shining [to show you the way], and you were willing for a while to delight (sun) yourselves in his light.
He was the lamp that burneth and shineth; and ye were willing to rejoice for a season in his light.
John was a burning and shining lamp, and, at least for a while, you were willing to celebrate in his light.