No matter how eloquently a dog may bark, he cannot tell you that his parents were poor, but honest.

Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.

[Regarding] the convention that clergymen are more virtuous than other men. Any average selection of mankind, set apart and told that it excels the rest in virtue, must tend to sink below the average.

Whatever we know without inference is mental.

Formality Thus the absence of all mention of particular things or properties in logic or pure mathematics is a necessary result of the fact that this study is, as we say, "purely formal".

I did not know I loved you until I heard myself telling so, for one instance I thought, "Good God, what have I said?" and then I knew it was true.

It seems to be the fate of idealists to obtain what they have struggled for in a form which destroys their ideals.