Bhagwad Gita
Chapter 18, Verse 34
यया तु धर्मकामार्थान् धृत्या धारयतेऽर्जुन।प्रसङ्गेन फलाकाङ्क्षी धृतिः सा पार्थ राजसी।।18.34।।
And that determination by which one holds fast to fruitive result in religion, economic development and sense gratification is of the nature of passion, O Arjuna.