In a war of ideas, it is people who get killed.
You have to let people challenge your ideas.
The greatest ideas are the simplest.
The best ideas are common property.
The best way to have a good idea is to have a lot of ideas.
He can compress the most words into the smallest ideas of any man I ever met.
Too many people run out of ideas long before they run out of words.
It is by acts and not by ideas that people live.
It is useless to send armies against ideas.
The best way to have a good idea is to have lots of ideas.
All words are pegs on which to hang ideas.
A committee is a cul de sac down which ideas are lured and then quietly strangled.
There are only two kinds of scholars; those who love ideas and those who hate them.
Great ideas need landing gear as well as wings.
It is useless to close the gates against ideas; they overlap them.