An idea is a feat of association, and the height of it is a good metaphor.
I never feel more at home than at a ballgame.
A breeze discovered my open book And began to flutter the leaves to look
All thought is a feat of association; having what's in front of you bring up something in your mind that you almost didn't know you knew
Take care to sell your horse before he dies. The art of life is passing losses on.
Fortunately, we don't need to know how bad an age is. There is something we can always be doing without reference to how good or bad the age is.