caudaque pavonis, largo cum luce repleta est, consimili mutat ratione obversa colores; qui quoniam quodam gignuntur luminis ictu, scire licet, sine eo fieri non posse putandum est.
And the peacocks tail, when it is suffused with plenteous light, in like manner changes the colours as it turns; and since these colours are caused by a certain impact of light, assuredly you must not think that they can be produced without it.
final_alignments\Lucretius_De_Rerum_Natura_Book2.json