Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
A witty saying proves nothing.
In mathematics you don't understand things. You just get used to them.
A little knowledge is a dangerous thing. So is a lot.
Real learning comes about when the competitive spirit has ceased.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
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 idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
You can never learn less, you can only learn more.
The great difficulty in education is to get experience out of ideas.
To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.
The reading of all good books is like conversation with the finest men of past centuries.
The books that the world calls immoral are books that show the world its own shame.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
There is no authority who decides what is a good idea.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Investigate, educate and organize.
Opinion is the medium between knowledge and ignorance.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.