Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
Knowledge, Action, Devotion are complementary to each other.
Necessity is the mother of invention.
A little knowledge is a dangerous thing. So is a lot.
I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
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.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
Education is a system of imposed ignorance.
The first idea the child must acquire is that of the difference between good and evil.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
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.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
I do not know how to teach philosophy without becoming a disturber of the peace.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
Evil being the root of mystery, pain is the root of knowledge.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
Science is a way of thinking much more than it is a body of knowledge.
Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.
The whole of science is nothing more than a refinement of everyday thinking.