If we could read the secret history of our enemies we should find in each man’s life sorrow and suffering enough to disarm all hostility.

Henry Wadsworth Longfellow

It is best to do things systematically, since we are only human, and disorder is our worst enemy.

Hesiod

A friend is one who has the same enemies as you have.

Abraham Lincoln

An enemy generally says and believes what he wishes.

Thomas Jefferson

Unthinking respect for authority is the greatest enemy of truth.

Albert Einstein

I have never made but one prayer to God, a very short one 'O Lord, make my enemies ridiculous.' And God granted it.

Voltaire

Men of sense often learn from their enemies. It is from their foes, not their friends, that cities learn the lesson of building high walls and ships of war.

Aristophanes

Nothing is more dangerous than a friend without discretion; even a prudent enemy is preferable.

Jean de La Fontaine

The best is the enemy of the good.

Voltaire

I no doubt deserved my enemies, but I don't believe I deserved my friends.

Walt Whitman

I ask you to judge me by the enemies I have made.

Franklin D. Roosevelt

A friend is nothing but a known enemy.

Kurt Cobain

Tis best to weigh the enemy more mighty than he seems.

William Shakespeare

It is lamentable, that to be a good patriot one must become the enemy of the rest of mankind.

Voltaire

Thy friendship oft has made my heart to ache do be my enemy--for friendship's sake.

William Blake