Sometimes I wish I had taken the Bob Dylan route and sang songs where my voice would not go out on me every night, so I could have a career if I wanted.

The duty of youth is to challenge corruption.

I like to have strong opinions with nothing to back them up with besides my primal sincerity. I like sincerity. I lack sincerity.

Looking back on the production of 'Nevermind,' I'm embarrassed by it now. It's closer to a Motley Crue record than it is a punk rock record.

I know exercise is important, but I hate it!

Seldom in the history of medicine has the recognition of the most effective cure followed as swiftly on the heels of the discovery of a disease as the establishment of the complete effectiveness of iodothyrin and thyroidin followed the recognition of cachexia thyreopriva.

I started boxing for exercise, and on the very first day, the trainer got in the ring with me and said, 'Whoever controls the breathing in the ring controls the fight.' I immediately passed out.

The United States should pursue a more robust agenda for U.S. competitiveness and innovation focused on a lower-carbon economy, including investments in education, basic research and development, infrastructure, retraining, retirement security, and universal health care.