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

The secret of life is not enjoyment but education through experience.

I am indebted to my father for living, but to my teacher for living well.

No power and no treasure can outweigh the extension of our knowledge.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

Know what you are talking about.

An investment in knowledge pays the best interest.

Books are for people who wish they were somewhere else.

We could never learn to be brave and patient, if there were only joy in the world

Necessity is the mother of invention.

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

Intelligence plus character-that is the goal of true education.

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

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.

Just because I don't care doesn't mean I don't understand.

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

A thought is an idea in transit.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

There is nothing more awful, insulting, and depressing than banality.

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

Knowledge, Action, Devotion are complementary to each other.