(noun) An attempt to cause damage, injury to, or death of opponent or enemy.
"Attack the evil that is within yourself, rather than attacking the evil that is in others."
"Attack him where he is unprepared, appear where you are not expected."
"The spot where we intend to fight must not be made known; for then the enemy will have to prepare against a possible attack at several different points."
"When we are tired, we are attacked by ideas we conquered long ago."
"The devil wouldn't be attacking you so hard if there wasn't something valuable inside of you. Thieves don't break into empty houses."
"Convince your enemy that he will gain very little by attacking you; this will diminish his enthusiasm."
"Invincibility lies in the defence; the possibility of victory in the attack."
"You can be sure of succeeding in your attacks if you only attack places which are undefended."
"In battle, there are not more than two methods of attack--the direct and the indirect; yet these two in combination give rise to an endless series of maneuvers."