Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
Make it a rule never to give a child a book you would not read yourself.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
Science is what we have learned about how to keep from fooling ourselves.
Courage, conviction and confidence.
The fullness of knowledge only comes through the awareness of ignorance.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
Science is not only a disciple of reason but, also, one of romance and passion.
Common sense is the collection of prejudices acquired by age eighteen.
If you want the present to be different from the past, study the past.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
Human behavior flows from three main sources: desire, emotion, and knowledge
Never help a child with a task at which he feels he can succeed.
I like poems you can tack all over with a hammer and there are no hollow places.
We could never learn to be brave and patient, if there were only joy in the world
Seek knowledge from the cradle to the grave.