Art of War

 is a book appearing in Deus Ex. It contains an excerpt from  by ancient Chinese military leader (specifically, Lionel Giles' 1910 translation of this work). Two copies of the book can be found in-game, one in Manderley's office during the second visit to the UNATCO headquarters, and another in the recreational room of the LaGuardia helibase.

Transcript
''Art of War by Sun Tzu''

''III. ATTACK BY STRATAGEM''

''1. Sun Tzu said: In the practical art of war, the best thing of all is to take the enemy's country whole and intact; to shatter and destroy it is not so good. So, too, it is better to recapture an army entire than to destroy it, to capture a regiment, a detachment or a company entire than to destroy them.''

2. Hence to fight and conquer in all your battles is not supreme excellence; supreme excellence consists in breaking the enemy's resistance without fighting...

Искусство войны