The first principle is that you must not fool yourself and you are the easiest person to fool.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
Educate the children and it won't be necessary to punish the men.
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.
Seek knowledge from the cradle to the grave.
You can never learn less, you can only learn more.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
I cannot teach anybody anything. I can only make them think
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
I think that kids have a greater capacity for processing things than we give them credit for.
Know what you are talking about.
The only true wisdom is in knowing you know nothing.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Investigate, educate and organize.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
Real knowledge is to know the extent of one's ignorance.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
Knowing others is wisdom, knowing yourself is Enlightenment.
Imagination is more important than knowledge.
The progressive development of man is vitally dependent on invention.