Human behavior flows from three main sources: desire, emotion, and knowledge
Science is a way of thinking much more than it is a body of knowledge.
There is no authority who decides what is a good idea.
Just because I don't care doesn't mean I don't understand.
The books that the world calls immoral are books that show the world its own shame.
Dare to think for yourself.
I am so clever that sometimes I don't understand a single word of what I am saying.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
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.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
My weapon is literature
Knowing others is wisdom, knowing yourself is Enlightenment.
I like poems you can tack all over with a hammer and there are no hollow places.
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
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
It is possible to fly without motors, but not without knowledge and skill.
I am a part of everything that I have read.
If I have seen further it is by standing on the shoulders of Giants.
The direction in which education starts a man will determine his future in life
The progressive development of man is vitally dependent on invention.