All evil comes from the old. They grow fat on ideas and young men die of them.
Don't worry about people stealing your ideas. If your ideas are any good, you'll have to ram them down people's throats.
“Good ideas have no value because the world already has too many of them.”
I am long on ideas, but short on time. I expect to live to be only about a hundred.
Great ideas originate in the muscles.
If you are an american, you must allow all ideas to circulate freely in your community, not merely your own.
The ideas of the ruling class are in every epoch the ruling ideas, I.E., the class which is the ruling material force of society, is at the same time its ruling intellectual force.
Reverie is when ideas float in our mind without reflection or regard of the understanding.
General ideas and great conceit are always a fair way to bring about terrible misfortune.
When ideas fail, words come in very handy.
Daring ideas are like chessmen moved forward. They may be beaten, but they may start a winning game.
College isn't the place to go for ideas.
Writing cannot express all words, words cannot encompass all ideas.
Fashion is not something that exists in dresses only. Fashion is in the sky, in the street, fashion has to do with ideas, the way we live, what is happening.
Gotta head full of ideas that are driving me insane...
My ideas usually come not at my desk writing but in the midst of living.
Pure mathematics is, in its way, the poetry of logical ideas.