Never explain -- your friends do not need it and your enemies will not believe you anyway.

Never explain -- your friends do not need it and your enemies will not believe you anyway.

Remember, always give your best. Never get discouraged. Never be petty. Always remember, others may hate you. But those who read more

Remember, always give your best. Never get discouraged. Never be petty. Always remember, others may hate you. But those who hate you don't win unless you hate them. And then you destroy yourself.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up read more

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

Mankind's worst enemy is fear of work

Mankind's worst enemy is fear of work

Every man is his own greatest enemy, and as it were his own
executioner.

Every man is his own greatest enemy, and as it were his own
executioner.

Unthinking respect for authority is the greatest enemy of truth.

Unthinking respect for authority is the greatest enemy of truth.

Never interrupt your enemy when he is making a mistake.

Never interrupt your enemy when he is making a mistake.

I was right to back Muhammad Ali, but it caused me major enmity in many areas of this nation.

I was right to back Muhammad Ali, but it caused me major enmity in many areas of this nation.

You must consider every man your enemy who speaks ill of your
king; and . . . you must read more

You must consider every man your enemy who speaks ill of your
king; and . . . you must hate a Frenchman as you hate the devil.