The power of penances and Mantras was given to the Brahmanas; the strength of arms and of weapons was conferred upon Kshatriyas.
तपो मन्त्रबलं नित्यं ब्राह्मणेषु प्रतिष्ठितम्। अस्त्रबाहुबलं नित्यं क्षत्रियेषु प्रतिष्ठितम्॥