एवं श्रमविधिं कुर्याद् यावत् सिद्धिः प्रजायते।
श्रमे सिद्धे च वर्षासु नैव ग्राह्यं धनुः करे॥
One must undergo strenuous effort until the goal is achieved. After success is attained, further strain (like holding a bow during rains) is needless.