Considering pleasure and pain, gain and loss, victory and defeat, all the same, be ready for fight, and then, you will incur no sin.
सुखदुःखे समे कृत्वा लाभालाभौ जयाजयौ। ततो युद्धाय युज्यस्व नैव पापमवाप्स्यसि॥