A nail is driven out by another nail. Habit is overcome by habit.

A nail is driven out by another nail. Habit is overcome by habit.

Animals can learn, but it is not by learning that they become dogs, cats, or horses. Only man has to read more

Animals can learn, but it is not by learning that they become dogs, cats, or horses. Only man has to learn to become what he is supposed to be.

You can discover what your enemy fears most by observing the means he uses to frighten you.

You can discover what your enemy fears most by observing the means he uses to frighten you.

The mentality of an army on the march is merely so much delayed adolescence; it remains persistently, incorrigibly and notoriously read more

The mentality of an army on the march is merely so much delayed adolescence; it remains persistently, incorrigibly and notoriously infantile.

The easier it is to do, the harder it is to change.

The easier it is to do, the harder it is to change.

The rational individualist is not the enemy of benevolence or civility, but their truest exemplar.

The rational individualist is not the enemy of benevolence or civility, but their truest exemplar.

If a man be gracious and courteous to strangers, it shows he is a citizen of the world.

If a man be gracious and courteous to strangers, it shows he is a citizen of the world.

If the brain were so simple we could understand it, we would be so simple we couldn't.

If the brain were so simple we could understand it, we would be so simple we couldn't.

There is an accumulative cruelty in a number of men, though none in particular are ill-natured.

There is an accumulative cruelty in a number of men, though none in particular are ill-natured.