There Are A Lot Of Weapons That

Whereas The Property-owning Middle Class Could Win Freedom For Themselves On The Basis Of Rights To Property--thus Excluding Others From The Freedom They Gain--the Property-less Working Class Possess Nothing But Their Title As Human Beings. Thus They Can Liberate Themselves Only By Liberating All Humanity.

If A Being Suffers There Can Be No Moral Justification For Refusing To Take That Suffering Into Consideration. No Matter What The Nature Of The Being, The Principle Of Equality Requires That Its Suffering Be Counted Equally With The Like Suffering - Insofar As Rough Comparisons Can Be Made - Of Any Other Being. So The Limit Of Sentience Is The Only Defensible Boundary Of Concern For The Interests Of Others. To Mark This Boundary By Some Other Characteristic Like Intelligence Or Rationality Would Be To Mark It In An Arbitrary Manner. Why Not Choose Some Other Characteristic, Like Skin Color?

The Only Justifiable Stopping Place For For The Expansion Of Altruism Is The Point At Which All Whose Welfare Can Be Affected By Our Actions Are Included Within The Circle Of Altruism. This Means That All Beings With The Capacity To Feel Pleasure Or Pain Should Be Included; We Can Improve Their Welfare By Increasing Their Pleasures And Diminishing Their Pains.

We May Feel The Pain Of Falling Back From A Level Of Affluence To Which We Have Grown Accustomed, But Most People In Developed Countries Are Still, By Historical Standards, Extraordinarily Well Off.

I Am Not Saying That Factory Farming Is The Same As The Holocaust Or The Slave Trade, But It's Clear That There Is An Immense Amount Of Suffering In It, And Just As We Think That The Nazis Were Wrong To Ignore The Suffering Of Their Victims, So We Are Wrong To Ignore The Sufferings Of Our Victims.