Today, more than ever before, science holds the key to our survival as a planet and our security and prosperity as a nation. It's time we once again put science at the top of our agenda and work to restore America's place as the world leader in science and technology.

Throughout history, Islam has demonstrated through words and deeds the possibilities of religious tolerance and racial equality.

America is, is no longer, uh, what it, uh, could be, uh, what it was once was, uh, and I say to myself, uh, I don't want that future, uh, for my children.

Look at Chancellor [Angela] Merkel, her personal story helps to tell a story of incredible achievement that the German people have embarked on and I think is something that you should be very proud of.

The Russians can't change us or significantly weaken us. They are a smaller country. They are a weaker country. Their economy doesn't produce anything that anybody wants to buy, except oil and gas and arms. They don't innovate. But they can impact us if we lose track of who we are.

I know starting careers in troubled times is a challenge, but it is also a privilege. Because it's moments like these that force us to try harder, dig deeper and to discover gifts we never knew we had. To find the greatness that lies within each of us. So don't ever shy away from that endeavor. Don't stop adding to your body of work. I can promise that you will be the better for that continued effort as will be this nation that we all love.

The problem with all these tired excuses for inaction is that it suggests a fundamental lack of faith in American business and American ingenuity.