एकाकिनश्चात्ययिके कार्ये प्राप्ते यदृच्छया । संहतस्य च मित्रेण द्विविधं यानमुच्यते ॥ १६५ ॥
Marching (to attack) is said to be twofold, (viz. that undertaken) by one alone when an urgent matter has suddenly arisen, and (that undertaken) by one allied with a friend.
english translation