Feminism is the radical notion that women are human beings.
— Cheris Kramarae

Activating oxygen can produce compounds called radicals that put oxidative stress on cells. Such stress could ultimately lead to cancer and other diseases.
John Simon radicals quote

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Picture quote about Radicals

A radical is a man with both feet firmly planted in the air.
— Franklin D. Roosevelt

The radical of one century is the conservative of the next. The radical invents the views. When he has worn them out, the conservative adopts them.
— Mark Twain

The healthy stomach is nothing if it is not conservative. Few radicals have good digestions.
— radicals quotation by Samuel Butler