Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Sankhya Yoga Chapter 2, Verse 2.41.
Sanskrit
व्यवसायात्मिका बुद्धिरेकेह कुरुनन्दन । बहुशाखा ह्यनन्ताश्च बुद्धयोऽव्यवसायिनाम् ॥ २.४१ ॥
Hindi
हे अर्जुन! इस कर्मयोगमें निश्चयात्मिका बुद्धि एक ही होती है; किन्तु अस्थिर विचारवाले विवेकहीन सकाम मनुष्योंकी बुद्धियाँ निश्चय ही बहुत भेदोंवाली और अनन्त होती हैं|
English
Those with a firm mind, O ARJUNA, are decisive about everything. Those whose minds are infirm are not decisive in their actions and their intellect wanders in many directions.