The only alternative to co-existence is co-destruction.

If you live among dogs, keep a stick.

Rudeness is a weak man's imitation of strength.

Fear preserves life.

Food, warmth and shelter are the essentials - the rest to some degree is luxury.

Humour protects us from stress.

When it thunders, the thief becomes honest.

Danger makes people devout.

One sword keeps another in its sheath.

Many a person's foul language has saved his sanity.

A drowning person is not troubled by rain.

A coward may not be glorious but he will remain healthy.

When in trouble, the wicked repent.

We have to fight wars to abolish wars.

Life would be impossible without a sense of humour.

Dreams are necessary for survival.

It's a crazy world and only the maddest survive.

Healthy sharks eat wounded sharks.

Whatever doesn't kill us makes us stronger.