My gut instinct is that these heavens and hells exist nowhere else except in our hearts and minds
An exceptional Sensei has traits such as patience and integrity. Otherwise, natural fighting ability, cruelty and aggressive behavior may be observed in most animal predators.
The heart is seldom wiser than the mind, but when it is, listen to it.
An ordinary teacher teaches how to accumulate information. A good teacher teaches how to assimilate information. A great teacher teaches how to stand up and turn every challenge into opportunities. An extraordinary teacher teaches how to be larger than life by following your own dreams, own goals and own instincts.