Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
The most savage controversies are those about matters as to which there is no good evidence either way.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
Any sufficiently advanced technology is indistinguishable from magic.
Science is what we have learned about how to keep from fooling ourselves.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
If you can't explain it simply, you don't understand it well enough.
There is no authority who decides what is a good idea.
What is now proved was once only imagined.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
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.
In mathematics you don't understand things. You just get used to them.
You can never learn less, you can only learn more.
The first principle is that you must not fool yourself and you are the easiest person to fool.
To every action there is always an equal and opposite or contrary, reaction
The knowledge of all things is possible
In order to stave off covetouness, greed, and spite, citizens world over must be educated.
Study without desire spoils the memory, and it retains nothing that it takes in.
The great difficulty in education is to get experience out of ideas.
You can never be overdressed or overeducated.
I learned very early the difference between knowing the name of something and knowing something.