Don't get set into one form, adapt it and build your own, and let it grow, be like water. - Bruce Lee

To know, but to be as though not knowing, is the height of wisdom.

Voidness is that which stands right in the middle between this and that. The void is all-inclusive; having no opposite, there is nothing which it excludes or opposes. The all illuminating light shines and is beyond the movement of the opposites.

As an instructor, you must be able to distinguish between poor performance caused by lack of ability or aptitude on the part of the student and poor performance caused by lack of effort. You should treat the first with patience and the latter with firmness. You must never apply sarcasm and ridicule.