Human behavior flows from three main sources: desire, emotion, and knowledge

Necessity is the mother of invention.

Educate the children and it won't be necessary to punish the men.

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

The fullness of knowledge only comes through the awareness of ignorance.

To educate a person in the mind but not in morals is to educate a menace to society.

It is possible to fly without motors, but not without knowledge and skill.

Courage, conviction and confidence.

Any sufficiently advanced technology is indistinguishable from magic.

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.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

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

The deepest sin against the human mind is to believe things without evidence.

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

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

It is beyond a doubt that all our knowledge begins with experience.

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

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

Science is a way of thinking much more than it is a body of knowledge.

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

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.