We can lead this world and make it safer and more secure for our children and our grandchildren, for generations to come.

You can’t let your failures define you. You have to let your failures teach you.

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 that we seek.

Keep exploring. Keep dreaming. Keep asking why. Don’t settle for what you already know. Never stop believing in the power of your ideas, your imagination, your hard work to change the world.

When ignorant folks want to advertise their ignorance, you don't really have to do anything, you just let them talk.

Just because we have the best hammer does not mean that every problem is a nail.

Change is never easy, but always possible.

Don’t ever let anybody tell you that your efforts don’t matter or that your voice doesn’t count. Don’t ever believe that you can’t make a difference. You have.

Where you are right now doesn't have to determine where you'll end up.

Learning to stand in somebody else's shoes, to see through their eyes, that's how peace begins. And it's up to you to make that happen. Empathy is a quality of character that can change the world.

If somebody is different from you, that's not something you criticize, that's something that you appreciate.

Every salad you serve is a picture you have painted, a sculpture you have modeled, a drama you have created.

I count him braver who overcomes his desires than him who conquers his enemies, for the hardest victory is over self.

And then when I went to Chicago, that's when I had these outer space experiences and went to the other planets.

It is good knowing that glasses are to drink from; the bad thing is not to know what thirst is for.

Death is a mighty, universal truth.

You can’t talk mediocrity and expect to have victory. You are prophesying your future. If you want a shift to occur, you’ve got to think positive.

The Republicans' response to Obama confused a lot of people. I really think there's been a measure of clarity at the end, with Trump's election, that was not present during the Obama presidency.

People are pretty respectful for the most part.

It is not the purpose of a juryman's office to give justice as a favor to whoever seems good to him, but to judge according to law, and this he has sworn to do.

I sold my most valuable possession, but I knew that because I worked at Hewlett Packard, I could buy the next model calculator the very next month for a lower price than I sold the older one for!