The lesson from Revelation 8:4 is surely that all prayers of the saints, no matter how broken, weak, or tainted with sin, come to the attention of God in heaven. See Hebrews 4:14, Hebrews 8:1, Hebrews 9:11–14, Hebrews 10:19 for why we may confidently pray to God.
4 La fumée des parfums monta, avec les prières des saints, de la main de l'ange devant Dieu.