They speak of "This Dojo" and "That Dojo". They are looking for profit.
You may abandon your own body but you must preserve your honour.
Water adopts the shape of its receptacle, it is sometimes a trickle and sometimes a wild sea.
You should not have a favourite weapon. To become over-familiar with one weapon is as much a fault as not knowing it sufficiently well.
Know your enemy, know his sword.
Do not act following customary beliefs.