All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

Investigate, educate and organize.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

Knowledge, Action, Devotion are complementary to each other.

To every action there is always an equal and opposite or contrary, reaction

Knowledge becomes evil if the aim be not virtuous.

Education is a system of imposed ignorance.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

Common sense is the collection of prejudices acquired by age eighteen.

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

The deepest sin against the human mind is to believe things without evidence.

Imagination is more important than knowledge.

Reading without reflecting is like eating without digesting.

It is what you read when you don't have to that determines what you will be when you can't help it.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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

If you want the present to be different from the past, study the past.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

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