Dhammapada 24.337

translated from Pāli by F. Max Müller, 1881

This salutary word I tell you, `Do ye, as many as are here assembled, dig up the root of thirst, as he who wants the sweet-scented Usira root must dig up the Birana grass, that Mara (the tempter) may not crush you again and again, as the stream crushes the reeds.’