There are a lot of little reasons why the big things in our lives happen. Captain Teemo on duty. What about all that talk about screwing up future events? The space-time continuum? Aw, c'mon Rick. That doesn't seem so bad. Master yourself, master the enemy. Adventure. Excitement. A Jedi craves not these things. When your opponent fears you, then's the moment when you give the fear its own rein, give it the time to work on him. Let it become terror. The terrified man fights himself. Eventually, he attacks in desperation. That is the most dangerous moment, but the terrified man can be trusted usually to make a fatal mistake. To attempt an understanding of Muad'Dib without understanding his mortal enemies, the Harkonnens, is to attempt seeing Truth without knowing Falsehood. It is the attempt to see the Light without knowing Darkness. It cannot be. May the hair on your toes never fall out!

We could all have been killed - or worse, expelled.

If you want to know what a man’s like, take a good look at how he treats his inferiors, not his equals.