If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music. 

There are techniques of Buddhism, such as meditation, that anyone can adopt.

Most people have no concept of how an automatic transmission works, yet they know how to drive a car. You don't have to study physics to understand the laws of motion to drive a car. You don't have to understand any of this stuff to use Macintosh.

Yes, we've still got more work to do. More work to do for every American still in need of a good job or a raise, paid leave or a decent retirement; for every child who needs a sturdier ladder out of poverty or a world-class education; for everyone who has not yet felt the progress of these past seven and a half years.

Spirituality begins where worldly wisdom ends.

Time will not pause or tarry on his way, Today that seems so long, so strange, so bitter, Will soon be forgotten yesterday.

Stay hungry, stay foolish.

Whatever position I occupied, it was the result of colleagues - of my comrades in the movement - who had decided in their wisdom to use me for the purpose of focusing the attention of the country and the international community on me.

One strength of the communist system of the East is that it has some of the character of a religion and inspires the emotions of a religion.

It's when children are 15, 16 or 17 that they decide whether they want to be a doctor, an engineer, a politician or go to the Mars or moon. That is the time they start having a dream, and that's the time you can work on them. You can help them shape their dreams.

When I admire the wonders of a sunset or the beauty of the moon, my soul expands in the worship of the creator.

Movies can and do have tremendous influence in shaping young lives in the realm of entertainment towards the ideals and objectives of normal adulthood.