Necessity is the mother of invention.

Know what you are talking about.

Investigate, educate and organize.

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

What sculpture is to a block of marble, education is to a human soul.

I think that kids have a greater capacity for processing things than we give them credit for.

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

Seek knowledge from the cradle to the grave.

One test of the correctness of educational procedure is the happiness of the child.

The progressive development of man is vitally dependent on invention.

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.

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

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

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

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

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

I have no special talents. I am only passionately curious.

Education is an ornament for the prosperous, a refuge for the unfortunate.

Many much-learned men have no intelligence.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.