But poetry, beauty, romance, love, these are what we stay alive for.

Crying never helped anybody do anything, okay? You have a problem, you face it like a man.

I couldn't imagine living the way I used to live. Now people come up to me from the drug days and go, 'Hi, remember me?' And I'm going, 'No, did I have sex with you? Did I take a dump in your tool box?'

The sort of liveliness which increases with age is not far distant from madness.

[On creating] And you get that little endorphin buzz, it's great. Why do you think Einstein looked like that? I don't think he was going "You know this is some dynamite weed! It's all relative you know."

I don't have a college degree, and my father didn't have a college degree, so when my son, Zachary, graduated from college, I said, "My boy's got learnin'!"

I was in Iraq, Afghanistan, Djibouti, Bahrain. The first year I went pretty much by myself. Then I went with General [Richard] Myers, head of the Joint Chiefs of Staff. The shows and audiences were amazing. You'll never get a better group of people.