Learning, penances, immense wealth, indeed, everything, can be acquired by exertion. Exertion of embodied creatures is governed by intelligence. Exertion, therefore, is the greatest of all things.
विद्या तपो वा विपुलं धनं वा सर्वं ह्येतद् व्यवसायेन शक्यम्। बुद्ध्यायत्तं तन्निवसेद् देहवत्सु तस्माद् विद्याद् व्यवसायं प्रभूतम्॥