The sage Brihaspati has mentioned four kinds of expedients for the acquisition of wealth, viz., inheritance, sudden acquisition due to good luck or the favour of the gods, acquisition by labour, and acquisition through the help or kindness of friends.
चतुर्विधा ह्यर्थसिद्धिवृहस्पतिमतं यथा। पारम्पर्य तथा दैवं काम्यं मैत्रमिति प्रभो॥