What is objectionable, what is dangerous, about extremists is not that they are extreme, but that they are intolerant. The evil is not what they say about their cause, but what they say about their opponents.

Tragedy is a tool for the living to gain wisdom, not a guide by which to live.

Your life can be anything you want it to be.

I run because I am convinced that this country is on a perilous course and I have such strong feelings about what must be done.

While free markets tend to democratize a society, unfettered capitalism leads invariably to corporate control of government.

Industrial agriculture now accounts for over half of America's water pollution.

The future is not a gift: it is an achievement. Every generation helps make its own future. This is the essential challenge of the present