Gymnastics has made me strong. I feel like it broke me down to my lowest point, but at the same time, it has given me the greatest strength anyone could ask for.

As long as you've done your best, making mistakes doesn't matter. You and I are human; we will mess up. What counts is learning from your mistakes and getting back up when life has knocked you down.

Stay strong. Stand up. Have a voice.

I have a chaperone everywhere I go - my mom.

My approach to gymnastics in Beijing was heavily based on the amount of difficulty I could do.

I still can't believe I'm an Olympic athlete.

Gymnastics taught me everything - life lessons, responsibility and discipline and respect.

The body is an amazing machine... If you eat the right things your body will perform incredibly well!

To have any doubt in your body is the biggest weakness an athlete can have. There are times when I physically can't get myself to go for a skill because I'm thinking, 'My knee hurts really bad.'

Image isn't everything, It's what comes from your heart, and what you learn and what you say and how you act that means more than anything.

I don't call them sacrifices. I call them exchanges.

Without dark clouds in our lives we would never know the joy of sunshine. We can become callous and unteachable if we do not learn from pain.

Critique by creating.

This is an execution, not surgery. Where does that come from, that you must find the method of execution that causes the least pain?

[It is] one of the most complex and emotional issues of out time.

The truest interpretations are those with the best justification.

Without wilderness, we will eventually lose the capacity to understand America.

What do we do about climate change bearing down upon us?

It's a democracy and if I am outvoted, I have to accept the majority decisions.

For all at last return to the sea- to Oceanus, the ocean river, like the ever-flowing stream of time, the beginning and the end.

Pin your faith to no ones sleeves, haven't you two eyes of your own.