The Jews' greatest contribution to history is dissatisfaction! We're a nation born to be discontented. Whatever exists we believe can be changed for the better.

The current state of knowledge is a moment in history changing just as rapidly as the state of knowledge in the past has ever changed and in many instances more rapidly.

My face has changed with the years and has enough history in it to give audiences something to work with.

Assassination has never changed the history of the world.

We've taken on the major health problems of the poorest - tuberculosis maternal mortality AIDS malaria - in four countries. We've scored some victories in the sense that we've cured or treated thousands and changed the discourse about what is possible.

My whole thing is to agree to disagree and to have respect because nothing can really be changed and you wouldn't want to ruin their happiness - even if that happiness is ignorance.

It is soooooo necessary to get the basic skills because by the time you graduate undergraduate or graduate that field would have totally changed from your first day of school.

I don't believe you can find any evidence of the fact that I have changed government policy solely because of a contribution.

A policy is a temporary creed liable to be changed but while it holds good it has got to be pursued with apostolic zeal.

All historical experience demonstrates the following: Our earth cannot be changed unless in the not too distant future an alteration in the consciousness of individuals is achieved.