The physicist can never subject an isolated hypothesis to experimental test, but only a whole group of hypotheses.

The history of science alone can keep the physicist from the mad ambitions of dogmatism as well as the despair of pyrrhonian scepticism.

If the aim of physical theories is to explain experimental laws, theoretical physics is not an autonomous science; it is subordinate to metaphysics.

Success works as a cycle - growth and contraction, balancing and unbalancing - all while you're encountering hurdles that get higher and higher over time.

If you delight yourself in lord, He shall give you desires of your heart.

Utilise each moment to achieve what you wish to experience.

The main thing is that it's nice to see these young people - 9 to 14 years old - take the opportunity to get more involved in their health and fitness. We need more kids to be more active.

Christina Aguilera and I are friends no matter what the media makes up.

The greatest thing about music is putting it out there for people to figure out.

Writing is medicine. It is an appropriate antidote to injury. It is an appropriate companion for any difficult change.

Your past forms you, whether you like it or not. Each encounter and experience has its own effect, and you're shaped the way the wind shapes a mesquite tree on a plain.

I thought Nixon was the worst President we had ever had, save only perhaps Andrew Johnson.

My favorite book is anything by Kurt Vonnegut - he's my literary hero. I got to meet him several times, which was a great thrill for me. I don't really remember what we talked about.