There Can Be No Brotherhood When Some

Sci-fi Is Often A Metaphor. I Think It's More The Themes And Questions That Science Fiction Raises Rather Than The Exact Predictions That Should Guide Us.

When Fish Experience Something That Would Cause Other Animals Physical Pain, They Behave In Ways Suggestive Of Pain, And The Change In Behaviour May Last Several Hours.

Unfortunately For Ethical Egoism, The Claim That We Will All Be Better Off If Every One Of Us Does What Is In His Or Her Own Interest Is Incorrect. This Is Shown By What Are Known As "prisoner's Dilemma" Situations, Which Are Playing An Increasingly Important Role In Discussions Of Ethical Theory... At Least On The Collective Level, Therefore, Egoism Is Self-defeating - A Conclusion Well Brought Out By Parfit In His Aforementioned Reasons And Persons.

In A Situation Where Many National Leaders Do The Same Thing And Look Out For National Interests, And With An Issue Like Global Warming, You're Likely To Get No Solution, So I Think You Have To Have Some Kind Of Ethical Trump On Some Of Those Issues.

For Most Humans, Especially For Those In Modern Urban And Suburban Communities, The Most Direct Form Of Contact With Nonhuman Animals Is At Meal Time: We Eat Them.... The Use And Abuse Of Animals Raised For Food Far Exceeds, In Sheer Numbers Of Animals Affected, Any Other Kind Of Mistreatment.