When [his son] Drusus died Tiberius was not greatly concerned, and went back to his usual business almost as soon as the funeral ended, cutting short the period of official mourning; in fact, when a Trojan delegation arrived with condolences somewhat belatedly, Tiberius grinned, having apparently got over his loss, and replied: "May I condole with you, in return, on the death of your eminent fellow-citizen Hector?"

The Twelve Caesars - Tiberius