Today I challenge our nation to commit to producing 100 percent of our electricity from renewable energy and truly clean carbon-free sources within 10 years.
You have to find it in the moment, and that's one of the challenges of being an actor - especially a film actor - is that you have to maintain these heightened emotions for long periods of time. There's no trick to it. You just have to do.
For we have always understood that when times change, so must we, that fidelity to our founding principles requires new responses to new challenges, that preserving our individual freedoms ultimately requires collective action.
I know that I'm not the easiest person to live with. The challenge I put on myself is so great that the person I live with feels himself challenged. I bring a lot to bear, and I don't know how not to.
Turmoil is a call for awakening. Every challenge, great or small, is moving you to look deeper and draw forth the highest in you. You're never given a challenge beyond your ability to meet and master. You'll rise above every circumstance because you're greater than any circumstance.
All censorships exist to prevent anyone from challenging current conceptions and existing institutions. All progress is initiated by challenging current conceptions, and executed by supplanting existing institutions. Consequently, the first condition of progress is the removal of censorship.
My dad challenged every president from President [Dwight] Eisenhower and Vice President [Richard] Nixon to President [J.F] Kennedy, Vice President [Lindon] Johnson to President Johnson and Vice President [Hubert] Humphrey. It`s challenging the administrations to do the right thing.
We will build our defenses beyond challenge, lest weakness invite challenge. We will confront weapons of mass destruction, so that a new century is spared new horrors.
So long as I'm the president, we will. I clearly see the challenge. I see the challenge of what these threats pose to our homeland, and I see the challenge of what these threats pose to the world.
We too often let the material things serve as indicators that we're doing well, even though something inside us tells us that were not doing our best. That we are avoiding that which is hard, but also necessary. That we are shrinking from rather than rising to the challenges of the age.
I remember, right after Hezbollah launched its rocket attacks on Israel, I said: This is a clarifying moment; this is a chance for the world to see the threats of the 21st century, the challenge we face.