Full Idea
It is our passions, and our passions alone, which provide our lives with meaning.
Gist of Idea
It is only our passions which give our lives meaning
Source
Robert C. Solomon (The Passions [1976], Pref)
Book Reference
Solomon,Robert C.: 'The Passions (1993 ed)' [Hackett 1993], p.-11
A Reaction
This presumably entails that the lives of plants have no meaning. It also seems to be rather egotistical, since it is not clear why anyone else's life should have meaning for me, if I don't directly experience their passions. Interesting, though.