This is a sad time for all people. We have suffered a loss that cannot be weighed. For me, it is a deep, personal tragedy. I know the world shares the sorrow that Mrs. Kennedy and her family bear. I will do my best; that is all I can do. I ask for your help and God's.
First official statement as President after the assassination of President John F. Kennedy, televised live from Andrews Air Force Base (22 November 1963). - Statement on the Assassination of John F. Kennedy (1963)