Thomas Edison on thinking

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

• Ideas

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

Aristotle384–322 BC

• Education
• Ideas

He who learns but does not think, is lost! He who thinks but does not learn is in great danger.

Confucius551–479 BC

• Education