The naturally advantaged are not to gain merely because they are more gifted, but only to cover the costs of training and education and for using their endowments in ways that help the less fortunate as well.

There are infinitely many variations of the initial situation and therefore no doubt indefinitely many theorems of moral geometry.

Certainly it is wrong to be cruel to animals and the destruction of a whole species can be a great evil. The capacity for feelings of pleasure and pain and for the form of life of which animals are capable clearly impose duties of compassion and humanity in their case.

The sense of justice is continuous with the love of mankind.

People can make arguments from the Bible if they want to. But I want them to see that they should also give arguments that all reasonable citizens might agree to.

Clearly when the liberties are left unrestricted they collide with one another.

No one deserves his greater natural capacity nor merits a more favorable starting place in society.