Somebody asked this question on Quora, and I answered it like this:
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The most relevant comparison of these great martial arts is to relate them to your own specific goals. Are you trying to select one style in order to devote yourself to training? If so, are you training to win competitions, or defend yourself in an unanticipated street altercation? Or is it a conceptual, intellectual analysis of these arts?

Each of these systems have extensive sportive applications for all sizes, ages, and levels of experience. You can train to compete and win all kinds of medals, trophies, and belts. With a competition mindset, you can experience gains in strength, endurance, and positive changes to your body composition.

Each of these arts also have combative applications, and depending on the particular local school you choose, you can learn to effectively survive a street fight against a single opponent. Even though, strictly speaking, Judo and Sambo are sports, there exists many Combat Judo, or Combat Sambo, etc., which will prepare you to defend yourself. As for BJJ, Helio Gracie, a co-founder of Gracie Jiu Jitsu, designed his style of Jiu Jitsu for the purpose of self-defense.

No matter what conclusion you make about these styles in general, it is the specific school you train in, and the quality of the instruction, and your peers in that school which will determine your actual effectiveness. Bad versions of any those aspects, no matter what the style is, will limit your effectiveness. And of course, the level of dedication you want to apply to your own development is the remaining factor.

If you’re just trying to make an objective, qualitative analysis, it’s hardly useful to compare. There are super effective practitioners in each art that show this. Bruce Lee said, “Man, the living creature, the creating individual, is always more important than any established style or system.”

​A good line of inquiry might be, “Which of these arts would best enable me to fulfill my personal goals and is there a good school nearby where I can train consistently in?”

To add to the previous post,...
The primary attribute that is needed to accomplish the goal of creating a solid business from scratch is the entrepreneur's mastery over herself. A boss who is self-aware of her capabilities, weaknesses, and foibles. She is aware of how others perceive her and has full control over that image in the way she looks, talks, and moves. She is fully conscious of how her core beliefs and values affect those around her. She doesn't compromise, she communicates and integrates ideas. She doesn't manipulate; she leads and coordinates. Above all, she must remain mindful of the core beliefs and values, and keep faith with them. Otherwise, she will become a self-serving tyrant. Unfortunately, employees are very sensitive to this possibility; in fact, they are predisposed to thinking it will happen. Once the trust between employee and employer is broken, it is the beginning of the end of the company.
This loose framework allows for a variety of decision-making processes, but a leader must adopt one that he uses consistently. He must be objective and process oriented. The idea that the boss is arbitrary, mercurial, and unreasonably biased is a cancer to any organization. The boss must be so logical, he is predictable in how he makes decisions, distributes rewards, and metes out punishment.
This is why hiring is so important. The group of people a boss employs to assist him in the achievement of the company's goals must understand and accept the core values of the company and must commit to help achieve the firm's objectives, near-term and long-term. It would be best if the candidate for employment already had the core beliefs and values because some of these may be difficult to train or teach. The key to inculcating this type of culture is how a chief executive engenders trust among his staff. The staff must trust the chief has the best interests of the company, and by extension, its employees, at heart. Without that trust, the company will begin its slow slide into corruption and decay.
How does a boss engender trust? He must be clear in his communication. He must be transparent about what he is doing. He must be careful about the commitments he makes (even to the most junior employee) because he must faithfully keep those promises.

In modern social life, we are challenged with having to deal with people.  One of the best ways for you to make these interactions happy and productive is to have your interlocutor 'like' you.

This article has some nice tips on how to do this.

Here is some audio content I found.

This is an article I read.

Testing out blog posting.