Make it a rule never to give a child a book you would not read yourself.

I cannot teach anybody anything. I can only make them think

If the facts don't fit the theory, change the facts.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

You can never learn less, you can only learn more.

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.

Don't worry that children never listen to you; worry that they are always watching you.

A cynic is a man who knows the price of everything, and the value of nothing.

The more I read, the more I acquire, the more certain I am that I know nothing.

Education is the kindling of a flame, not the filling of a vessel.

The most important part of teaching is to teach what it is to know.

Knowledge, Action, Devotion are complementary to each other.

Opinion is the medium between knowledge and ignorance.

I cannot live without books.

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

The first principle is that you must not fool yourself and you are the easiest person to fool.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

What sculpture is to a block of marble, education is to a human soul.

All stable processes we shall predict. All unstable processes we shall control.

The only true wisdom is in knowing you know nothing.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.