No power and no treasure can outweigh the extension of our knowledge.
Knowledge becomes evil if the aim be not virtuous.
My weapon is literature
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
The man who does not read good books has no advantage over the man who can't read them.
Make it a rule never to give a child a book you would not read yourself.
Free the child's potential, and you will transform him into the world.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
Never help a child with a task at which he feels he can succeed.
The books that the world calls immoral are books that show the world its own shame.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
Seek knowledge from the cradle to the grave.
The secret of life is not enjoyment but education through experience.
Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.
Human behavior flows from three main sources: desire, emotion, and knowledge
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
Opinion is the medium between knowledge and ignorance.
If the facts don't fit the theory, change the facts.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.