One of my mom's best lines is... You're not training to be the best in the world, you're training to be the best in the world on your worst day.

Some people like to call me cocky or arrogant, but I just think 'how dare you assume I should think less of myself'

You have to have fear in order to have courage.

Judo taught me that I am capable of anything... I can mentally push past anything and be victorious.

Life is a fight from the minute you take your first breath to the moment you exhale your last.

I'm scared of failure all the time. But not scared enough to stop trying.

Don't doubt, don't stop... The only 2 things that can stop you is to stop working and start doubting.

You have to fight because you can't count on anyone else fighting for you. And you have to fight for people who can't fight for themselves. To get anything of real value, you have to fight for it.

One thing that I learned from judo... Maximum efficiency and minimum effort.

I train to be the best in the world on my worst day

It's your purpose to leave the world better than how you found it.

[N]ew technology enables new kinds of group-forming.

When the government and electrical utility company jointly harass an electrical fraud researcher, it confirms that the research is progressing in the right direction!

Positive and negative attitudes are both contagious but only one is helpful.

We may not be able to stop evil in the world, but how we treat one another is entirely up to us.

Democracy's my idea. I do not agree with communists, my acts prove. Free press in Cuba - free ideas, freedom religion belief.

And he's done that in a whisker under 10 seconds, call it 9.7 in round figures.

We are proud to have with us the poet lariat of Chicago.

We're in different categories. She [Venus Williams] does sports, I do more of the fashion side.

Because this is the beauty of strangers: we're all just doing our best to help each other out, motivated not by karma but by a natural instinct to help the greater whole.