When there is no enemy within, the enemies outside cannot hurt you.

When there is no enemy within, the enemies outside cannot hurt you.

I have met the enemy, and it is the eyes of other people.

I have met the enemy, and it is the eyes of other people.

Friends may come and go, but enemies accumulate.

Friends may come and go, but enemies accumulate.

They that dwell in the wilderness shall bow before him; and his
enemies shall lick the dust.

They that dwell in the wilderness shall bow before him; and his
enemies shall lick the dust.

They love him, gentlemen, and they respect him, not only for
himself, but for his character, for his integrity read more

They love him, gentlemen, and they respect him, not only for
himself, but for his character, for his integrity and judgment
and iron will; but they love him most for the enemies he has
made.

Let our friends perish, provided that our enemies fall at the
same time.
[Lat., Pereant amici, dum una read more

Let our friends perish, provided that our enemies fall at the
same time.
[Lat., Pereant amici, dum una inimici intercidant.]

None but yourself who are your greatest foe.

None but yourself who are your greatest foe.

Mankind's worst enemy is fear of work

Mankind's worst enemy is fear of work

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.