An Idea (n.) that is worn out is like silver paper which, after crumpling, can never quite be smoothed out again.
An Idea (n.) too sometimes falls from the tree before it is ripe.
An Idea (n.) has a price, some costly, some cheap — and you pay for ideas with courage.
An Idea (n.) that costs a lot brings in its train a host of cheap ones, and among them even a few that are useful.
An Idea (n.) once worn out is like crumpled silver paper: it can never quite be smoothed out again.
Idea (n.) sometimes fall from the tree, like fruit, before they are ripe.
Idea (n.) have prices — some cost a lot, some little — and they are paid for with courage.