Bring the mind to a sharp focus and make it alert so that it can immediately intuit truth, which is everywhere.
Bruce LeeDon't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.
Bruce LeeTo become a champion requires a good mental attitude toward preparation. You have to accept the most tedious task with pleasure.
Bruce LeeA good teacher can never be fixed in a routine... each moment requires a sensitive mind that is constantly changing and constantly adapting. A teacher must never impose this student to fit his favourite pattern; a good teacher functions as a pointer, exposing his student's vulnerability and causing him to explore both internally and finally integrating himself with his being. Martial art should not be passed out indiscriminately.
Bruce Lee