“To be a friend of the earth, you have to be an enemy of man.”
“A man with no enemies is no good as a friend.”
“Ideas on earth were badges of friendship or enmity. Their content did not matter. Friends agreed with friends, in order to express friendliness. Enemies disagreed with enemies, in order to express enimity.”
“If you don't have friends, find the enemy”
“Memory is man's greatest friend and worst enemy.”
“A friend is one who has the same enemies as you have.”