Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

I cannot live without books.

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

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

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

Evil being the root of mystery, pain is the root of knowledge.

My weapon is literature

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

The progressive development of man is vitally dependent on invention.

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

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

The only good is knowledge and the only evil is ignorance.

A child educated only at school is an uneducated child.

The deepest sin against the human mind is to believe things without evidence.

Knowledge, Action, Devotion are complementary to each other.

Common sense is the collection of prejudices acquired by age eighteen.

A thought is an idea in transit.

If I have seen further it is by standing on the shoulders of Giants.

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.

I do not know how to teach philosophy without becoming a disturber of the peace.

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