Related:

• Any sort of violence done from hate of something or someone will only have detrimental effects - on you!
  -- Xavier R. Quinto...
• Smile. It pleases your friends and annoys your enemies!
• Get back at your enemies, make them Sysops!
• Love your enemies. It'll make 'em crazy.
• Pick your enemies carefully--they're harder to get rid of than friend
• I always choose my friends for their good looks and my enemies for their good intellects.
  Man cannot be too careful in his choice of enemies....
• Take no friends and leave no enemies.
• Am I not destroying my enemies when I make friends of them? -- Abraham Lincol
• It is better to decide between our enemies than our friend
  for one of our friends will most likely become our enemy...