The world has changed far more in the past 100 years than in any other century in history. The reason is not political or economic but technological-technologies that flowed directly from advances in basic science. Clearly, no scientist better represents those advances than Albert Einstein: TIME's Person of the Century.
Stephen HawkingIn a world that is in chaos politically, socially and environmentally, how can the human race sustain another 100 years?
Stephen HawkingOur population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill.
Stephen Hawking