In terms of laws of physics, within that context there are certain bylaws that govern certain systems- which includes sentient life forms systems and various different species of life forms. Even within other animal species social systems...particularly with other mammals. Even other mammals which dont have as high a level of creative sentience as homosapiens(and even beyond us...more evolved E.T. species) display certain innate rules of honor and of empathy...which seem to be innate w/out higher more creative sentience cognitive abilities as we have. The higher a species of creatures is evolved in cognition and in creative sentience...the more they seem to develop certain codes innately that ensure more and more comprehension of cooperation, empathy, and creative intelligence and ethics or codes of honor...acrossed all the subspecies of a given species, it just happens naturally and globally...as soon ad a individual or subgroup comes into...others disconnected from direct influence seem to start coming into. This all seems to be hardwired at a genetic level and seems to be a outgrowth of fundamental laws directly connected to the over arching laws of cosmos, and the higher functions seem to grow out of sentient awareness that comes from a underlying conciousness that is the matrix of reality(and more and more quantum physics and conciousness studies and leading theoretical physics hypothesis are starting to bare this out)...I'd reccomend a reas of the works/books of physicist Paul Davies on this- *cosmic jackpot*, *mind of God*, *God and the bew physicsz*, etc. Heck even some hardcore classical materialist inclined nu-atheist thinkers and scientists are admitting conciousness as being more a fundamental law than just a evolved material trait(Sam Harris has some enlightening ideas on this for example). This is also the reason that the vast majority of homosapiens(and likely highly sentient ET species) are not psychopaths/sociopaths(though some can be socialized or conditioned to become more sociopathic in some ways...if they are not genetically born psychopaths they cant become fully psychopathic) and psychopaths are a extremely small percentage. In other lower species, traits we might call socio or psycho empathic are a little more prominent...but the higher evolved in creative sentience a species is...the less that is and the more creative sympathy and cooperation becomes more and more prominent(I'm not saying humans are fully there yet, obviously we have a small number Of socios/psychos and a moderate number of naive follower of those who are corrupted to varrying degrees...but not psychopaths themselves) More and more the evidence and reason/logic are baring out that these sociopolitical first principles that the enlightenment thinkers(and the founding fathers of the U.S. for example codified in the declaration of independence and constitution) are based in these facts...that are inextricably tied to overarching physical laws of nature. Hence...*of their creator* and *nature and natures god*(in the declaration of independence) and the concept of god/nature given, inherent, inalienable fundamental basic individual rights(from which further extrapolated via philosophy and sciences combined we gain more and more understanding of these laws and intelligently create other laws and codes from this...from which we derive sociopolitical civil liberties). It's all there...inherent within nature laws, you just have to know where and how to look and how to interpret natures laws and extrapolate from that using logic/reason combined with nature/God given innate senses and empathy. As to your last comment. That action...to take .from others....without consent and agreement what one wants when they want it...without regards to consequences and to other beings fundamental naturw/god given rights and nature/reason derived first principles as I outlined above, is a disobedience towards naturez laws therefore, and also counter productive to that individuals ultimate survival because if they do that...they will eventually receive a recompense one way or the other. Cooperation, empathy, consent are the only way individuals and the collectives they are part of....and a species of highly sentient creatures can even exist, replicate, and survive long term. Even lower mammals innately understand these principles...more or less(less than higher mammals, but they do display this awareness nonetheles)...even w/out higher creative sentient cognition. You can take what you want, from who or what you want.when you want...but eventually that behavior will come back and bite you in the ass....in one way or another...and you'll have to *look over your shoulders* constantly.