They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Men are born ignorant, not stupid. They are made stupid by education.
The progressive development of man is vitally dependent on invention.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
The most savage controversies are those about matters as to which there is no good evidence either way.
There is no authority who decides what is a good idea.
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.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Just because I don't care doesn't mean I don't understand.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
The only true wisdom is in knowing you know nothing.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
The first principle is that you must not fool yourself and you are the easiest person to fool.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
The real solution lies in a world in which charity will have become unnecessary.
I learned very early the difference between knowing the name of something and knowing something.
In order to stave off covetouness, greed, and spite, citizens world over must be educated.
The fullness of knowledge only comes through the awareness of ignorance.