Every work should be done completely. One should be always careful. If extracted badly, such a minute thing as a thorn leads to obstinate gangrene.
नासम्यक्कृतकारी स्यादप्रमत्तः सदा भवेत्। कण्टकोऽपि हि दुश्छिन्नो विकारं कुरुते चिरम्॥