Definitions: (1) free from tension or discord; pleasant; agreeable; (2) made gentle, soft, and sympathetic by age or experience

• Sweet is the memory of distant friends! Like the mellow rays of the departing sun, it falls tenderly, yet sadly, on the heart. — Washington Irving (1783–1859) American essayist, historian, & diplomat
• This is perhaps the greatest moral challenge Jesus left us: We all do pretty well in love when the persons we are loving are warm and gracious, but can we be gracious and mellow in the face of bitterness, jealousy, hatred, withdrawal? That’s the litmus test of love. —  Fr. Ronald Rolheiser OMI (1947-) American Catholic theologist