Thomas Edison on ideas

I have not failed. I’ve just found 10,000 ways that won’t work.

There is no substitute for hard work.

Many of life’s failures are people who did not realize how close they were to success when they gave up.

Great minds discuss ideas. Average minds discuss events. Small minds discuss people.

Eleanor Roosevelt1884–1962

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Aristotle384–322 BC

• Education

One resists the invasion of armies; one does not resist the invasion of ideas.

Victor Hugo1802–1885