Respectfully Quoted: A Dictionary of Quotations. 1989.
| NUMBER: | 922 |
| AUTHOR: | Martin Luther King, Jr. (1929–68) |
| QUOTATION: | Occasionally in life there are those moments of unutterable fulfillment which cannot be completely explained by those symbols called words. Their meanings can only be articulated by the inaudible language of the heart. |
| ATTRIBUTION: | He was the 1964 recipient of the Nobel Peace Prize. |
| SUBJECTS: | Joy |