Of course, the knowledge of computer viruses is like the "Force" in Star Wars. Depending on the user of the "Force", the knowledge can turn to good or evil. I cannot force you to stay away from the "Dark Side", but I urge you to do so. -- The Art of Computer Virus Research and Defense - Péter Szőr

I know that I know nothing - ipse se nihil scire id unum sciat - ἓν οἶδα ὅτι οὐδὲν οἶδα - Socrates Life is nothing more than an endless wandering, it would be foolish if not childish to think we know everything, at any point in life. Embrace the constant unknown and be skeptical to sate a untarisable desire of knowledge.

By training you will be able to freely control your own body, conquer men with your body, and with sufficient training you will be able to beat ten men with your spirit. When you have reached this point, will it not mean that you are invincible? -- Gorin no sho – Miyamoto, Musashi

There are methods to observe people and undoubtedly recognise the manner how they think and their character. We say that the Self closely listen the heart, observe him, that he can be seen and understood as an image in a mirror. The one who have a disturbed heart can be quickly be the victim of others. That’s why the shinobi use this technique and can follow everywhere the heart of the adversary and penetrate him. This is the basics technique of the shinobi.  -- Shôninki – Natori Masazumi

The mission dictates the target, the target dictates the weapons and the weapons dictate how they’re used.  -- Richard “Mac” Machowicz