I suppose my understanding of villains is that they're just people who are infected by all of the darker instincts - that they haven't got the discipline to make the right choices.

Every villain is a hero in his own mind.

Well, I think there are no villains in this world. There are just misunderstood heroes.

You never know what's around the corner. It could be everything. Or it could be nothing. You keep putting one foot in front of the other, and then one day you look back and you've climbed a mountain.

Haters never win. I just think that's true about life, because negative energy always costs in the end.

Make love, not war. Unless you’re Loki, in which case: do what you want.

We all have two lives. The second one starts when we realize that we only have one

Tony Stark in 'Iron Man' helped wider audiences finally embrace the enormous talent of Robert Downey Jr.

Never, ever, let anyone tell you what you can and can't do. Prove the cynics wrong. Pity them for they have no imagination. The sky's the limit. Your sky. Your limit. Now. Let's dance.

Don’t judge people on who they used to be. Allow them to be who they are now.

I think everyone should pursue their dreams. Whether you want to play football, act, sing, become a writer or whatever you have burning inside you as you’re growing up, you should pursue it.

Here is a new car, a new iPhone. We buy. We discard. We buy again. In recent years, we've been doing it faster.

I've been choking to death for years. By now this should be easy.

The more time you put into practicing, then, the greater the payoff.

I see a world in the future in which we understand that all life is related to us and we treat that life with great humility and respect.

Maybe I just have high self-esteem, but I have a lot that I really enjoy.

One of my mantras is if I'm scared to do something, that means that I have to do it.

There is more real devotional feeling summoned from the temple of the mind by great music than by any sermon ever delivered.

To me, no matter what we do, we all strive for that experience.

I promise to love you forever - every single day of forever.

I will commend the Democrats for one thing. If they name Keith Ellison as the head of the DNC, then I'll commend them for truth in advertising.