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

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.

It is of first importance that the military be subordinate to civilian government

A just society is a society that if you knew everything about it, you'd be willing to enter it in a random place.

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

We must choose for others as we have reason to believe they would choose for themselves if they were at the age of reason and deciding rationally.

Now the good of political life is a great political good. It is not a secular good specified by a comprehensive doctrine like those of Kant or Mill. You could characterize this political good as the good of free and equal citizens recognizing the duty of civility to one another: the duty to give citizens public reasons for one's political actions.