Real knowledge is to know the extent of one's ignorance.

A people free to choose will always choose peace.

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

Innovation distinguishes between a leader and a follower.

The minute that you're not learning I believe you're dead.

Give light, and the darkness will disappear of itself.

A positive attitude is something everyone can work on, and everyone can learn how to employ it.

Perfection is not attainable, but if we chase perfection we can catch excellence.

We are going to have peace even if we have to fight for it.

To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.