Reading is to the mind what exercise is to the body.

Knowledge, Action, Devotion are complementary to each other.

What is now proved was once only imagined.

A little knowledge is a dangerous thing. So is a lot.

Books are for people who wish they were somewhere else.

If you want the present to be different from the past, study the past.

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.

Seek knowledge from the cradle to the grave.

The highest result of education is tolerance.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

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

Dare to think for yourself.

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

I am so clever that sometimes I don't understand a single word of what I am saying.

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

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

The most savage controversies are those about matters as to which there is no good evidence either way.

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.

I have no special talents. I am only passionately curious.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

An investment in knowledge pays the best interest.