Know what you are talking about.

I cannot teach anybody anything. I can only make them think

Science is a way of thinking much more than it is a body of knowledge.

Most people have never learned that one of the main aims in life is to enjoy it.

A thought is an idea in transit.

I am so clever that sometimes I don't understand a single word of what I am saying.

You can never learn less, you can only learn more.

Evil being the root of mystery, pain is the root of knowledge.

The only true wisdom is in knowing you know nothing.

A child miseducated is a child lost.

Knowledge becomes evil if the aim be not virtuous.

Education is a system of imposed ignorance.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

Real learning comes about when the competitive spirit has ceased.

A witty saying proves nothing.

Don't learn to do, but learn in doing.

Investigate, educate and organize.

Just because I don't care doesn't mean I don't understand.

Education is the most powerful weapon which you can use to change the world.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.