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These physical questions we will take leave to omit, inasmuch as

they are foreign to the present enquiry; and we will examine such

as are proper to man and concern moral characters and feelings:

as, for instance, "Does Friendship arise among all without

distinction, or is it impossible for bad men to be friends?" and,

"Is there but one species of Friendship, or several?" for they

who ground the opinion that there is but one on the fact that

Friendship admits of degrees hold that upon insufficient proof;

because things which are different in species admit likewise of

degrees (on this point we have spoken before).

Chapter III.