Nearly every man who develops an idea works at it up to the point wher >>
Anything that won't sell, I don't want to invent. Its sale is proof of >>
The three great essentials to achieve anything worth while are: Hard w >>
To love an idea is to love it a little more than one should. >>
There are more ideas on earth than intellectuals imagine. And these id >>
There is no prosperity, trade, art, city, or great material wealth of >>
The value of an idea lies in the using of it.