It is better to know how to learn than to know.
The fullness of knowledge only comes through the awareness of ignorance.
The task of a writer is not to solve the problem but to state the problem correctly.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
I am so clever that sometimes I don't understand a single word of what I am saying.
The first idea the child must acquire is that of the difference between good and evil.
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.
The progressive development of man is vitally dependent on invention.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
It is possible to fly without motors, but not without knowledge and skill.
I do not know how to teach philosophy without becoming a disturber of the peace.
All stable processes we shall predict. All unstable processes we shall control.
Evil being the root of mystery, pain is the root of knowledge.
A child miseducated is a child lost.
Better know nothing than half-know many things.
A little knowledge is a dangerous thing. So is a lot.
I learned very early the difference between knowing the name of something and knowing something.
A child educated only at school is an uneducated child.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.