Effort, not ability, makes the biggest difference in achievement.

The future belongs to those who are creative collaborators

We need to be creating a world that we would like to live in when we're not the biggest power on the block.

Without a high pain threshold, you can't be a successful President.

We have a chance here to prove that [Rwanda], a country that almost slaughtered itself out of existence, can practice reconciliation, reorganize itself, focus on tomorrow and provide comprehensive, quality health care with minimal outside help.

Tonight, I propose a 21st Century Crime Bill to deploy the latest technologies and tactics to make our communities even safer. Our balanced budget will help put up to 50,000 more police on the street in the areas hardest hit by crime, and then to equip them with new tools from crime-mapping computers to digital mug shots. We must break the deadly cycle of drugs and crime.

I tried marijuana once or twice in England, but didn't like it. I didn't inhale.