Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

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

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

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

The most savage controversies are those about matters as to which there is no good evidence either way.

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

Learning never exhausts the mind.

Reading is to the mind what exercise is to the body.

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

The schools ain't what they used to be and never was.

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

The secret of life is not enjoyment but education through experience.

Knowing is not enough; we must apply. Willing is not enough; we must do.

Make it a rule never to give a child a book you would not read yourself.

A little knowledge is a dangerous thing. So is a lot.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

Study without desire spoils the memory, and it retains nothing that it takes in.

I do not know how to teach philosophy without becoming a disturber of the peace.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

The books that the world calls immoral are books that show the world its own shame.

Science is not only a disciple of reason but, also, one of romance and passion.