Barack Obama   

The future rewards those who press on. I don't have time to feel sorry for myself. I don't have time to complain. I'm going to press on.

If you are walking down the right path and you are willing to keep walking, eventually, you'll make progress.

Change will not come if we wait for some other person or some other time.
We are the ones we've been waiting for.
We are the change we seek.

Freedom is more powerful than fear.

I think everybody has to acknowledge... don't underestimate the guy, because he's going to be (the) 45th President of the United States.

Barack Obama: The thing that has disturbed me most about the Russian hacking episode is, and the thing that surprised me most has not been the fact of Russian hacking, because Chinese, Russians, Iranians, a lot of ...
Interviewer: and the United States...
Barack Obama: The United... well, the cyber world is er... full of information gathering, you know, propaganda, etc.

Read: one country's ...

On children
As Michelle reminds me, our job is to prepare them not to need us.