So we are just going to keep on pounding away at this issue.

WHITEHOUSE: The White House

And so we're just going to keep on plugging away.

WHITEHOUSE: President Obama Holds a Press Conference with King Abdullah II of Jordan | The White House

And so you've just got to keep on going even when folks are criticizing you.

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Therapeutic cloning was dead and buried years ago, but it just seems to keep on going, and so do people's hopes.

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We are so excited by what you've done and we are absolutely confident we're just going to keep on building on the great progress that you've already made.

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