One author characterizes him as an important early influence on radical centrist political thought.

We have long imagined the city as the natural home of radical thought.

And here's a radical thought: if the rich get more, that leaves less for everyone else.

Also, holding a special election is not such a radical thought.

The only things known about this wicked man are that he has radical thoughts, and is planning to dominate the world with drugs.

In this position he was brought into close contact with the somewhat radical thought of the period.

But no other conservative has his ability to make a radical thought seem so reasonable.

I fell into the habit of going with myself, and expressing my "radical" thoughts to no one.

There was a tendency toward radical free thought, and some even denied the existence of a personal God.

The book confirmed her importance as a leader in radical feminist thought.