यद् यत् परवशं कर्म तत् तद् यत्नेन वर्जयेत् । यद् यदात्मवशं तु स्यात् तत् तत् सेवेत यत्नतः ॥ १५९ ॥
sanskrit
Let him carefully avoid all undertakings (the success of) which depends on others; but let him eagerly pursue that (the accomplishment of) which depends on himself.
english translation