Always being led by consideration of fitness, willingness, bravery and strength, one should strike another after having challenged him. None should strike another who is confiding or who is panic-stricken.
यथायोगं यथाकामं यथोत्साहं यथाबलम्। समाभाष्य प्रहर्तव्यं न विश्वस्ते न विह्वले॥