Full Idea
Of the voluntary acts of every man, the object is some good to himself.
Gist of Idea
All voluntary acts aim at some good for the doer
Source
Thomas Hobbes (Leviathan [1651], 1.14)
Book Reference
Hobbes,Thomas: 'Leviathan', ed/tr. Macpherson,C.B. [Penguin 1981], p.192
A Reaction
Nonsense. You can only describe sacrificial acts for loved ones, such as children, in this way if this proposal is a tautology. Hobbes cannot know the truth of this claim.