Be half gangster, use pain to generate power and advantage, karate.

Be half gangster, you bully people, with evilness you dont need forgiveness but you will appreciate the strategy your opponent pull on you.

Use pain to generate power and advantage makes you study and hack hard for skill rare in the market and money flows to you.

Karate, underlying people's niceness is the brutality of animals, karate teach you how to deal with that brutality.

Karate, train you to endure pain, the nervous system needs to build additional brain wiring to push up signal to prevent running away from pain. This additional brain wiring builds character and intelligence.