Lewis Carroll on thinking

I suppose every child has a world of his own — and every man, too, for the matter of that. I wonder if that’s the cause for all the misunderstanding there is in Life?

The proper definition of a man is an animal that writes letters.

Be sure the safest rule is that we should not dare to live in any scene in which we dare not die.

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