There is no authority who decides what is a good idea.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
I do not know how to teach philosophy without becoming a disturber of the peace.
The most savage controversies are those about matters as to which there is no good evidence either way.
The only good is knowledge and the only evil is ignorance.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
Real knowledge is to know the extent of one's ignorance.
Human behavior flows from three main sources: desire, emotion, and knowledge
Common sense is the collection of prejudices acquired by age eighteen.
A child educated only at school is an uneducated child.
The more I read, the more I acquire, the more certain I am that I know nothing.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
Education is the most powerful weapon which you can use to change the world.
To every action there is always an equal and opposite or contrary, reaction
A cynic is a man who knows the price of everything, and the value of nothing.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
The whole of science is nothing more than a refinement of everyday thinking.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
Opinion is the medium between knowledge and ignorance.