Those who voluntarily put power into the hands of a tyrant ... must not wonder if it be at last turned against themselves.

Those who enter through the back door can expect to be shown out through the window

It is easy to be brave from a safe distance.

Men often bear little grievances with less courage than they do large misfortunes.

Always stop to think whether your fun may be the cause of another's unhappiness

The quarrels of friends are the opportunities of foes.

We should find out as much as possible about someone before coming into conflict with him.