Punch a black belt in the face, he becomes a brown belt. Punch him again, purple.
Life is yours, do not let life's problems have other influences on what you believe. See for yourself.
If you want to be a lion, you must train with lions.
There is no reward without sacrifice.
If your opponent is tapping, your technique is good. If he is not tapping, your technique sucks.
You should be a missile and go and destroy your opponent.