Dhammapada 4.57

Of the people who possess these virtues, who live without thoughtlessness, and who are emancipated through true knowledge, Mara, the tempter, never finds the way.

58, 59. As on a heap of rubbish cast upon the highway the lily will grow full of sweet perfume and delight, thus the disciple of the truly enlightened Buddha shines forth by his knowledge among those who are like rubbish, among the people that walk in darkness.