to be conscious of the act of the first.
The duty here is only to cultivate our conscience, to quicken our attention to the voice of the internal judge, and to use all means to secure obedience to it, and is thus our indirect duty.
C. OF LOVE TO MEN
Love is a matter of feeling, not of will or volition, and I cannot love because I will to do so, still less because I ought (I cannot be necessitated to love); hence there is no such thing as a duty to love. Benevolence, however (amor benevolentiae), as a mode of action, may be subject to a law of duty. Disinterested benevolence is often called (though very improperly) love; even where the happiness of the other is not concerned, but the complete and free surrender of all one's own ends to the ends of another