What is now proved was once only imagined.

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.

Imagination is more important than knowledge.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

If you can't explain it simply, you don't understand it well enough.

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

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

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

Knowing others is wisdom, knowing yourself is Enlightenment.

Real knowledge is to know the extent of one's ignorance.

There is nothing more awful, insulting, and depressing than banality.

The whole of science is nothing more than a refinement of everyday thinking.

The knowledge of all things is possible

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

Seek knowledge from the cradle to the grave.

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

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

Intelligence plus character-that is the goal of true education.

Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country

Opinion is the medium between knowledge and ignorance.