From the beginning of her activism in the US, Rose was a outspoken advocate for freethought, challenging religious dogma and defending individual conscience. She was a staunch secularist, championing the separation of church and state.

Rose frequently delivered lectures on freethought, criticizing religious institutions and challenging traditional beliefs. She argued that reason and science should be the guiding principles of human thought and action.

Rose's outspoken views on religion often made her a target of criticism and opposition from religious leaders and conservative members of society. She was frequently denounced as an atheist and a heretic.

Rose admired and defended the writings of Thomas Paine and other freethought pioneers. She believed that their ideas were essential for promoting individual liberty and intellectual progress.

Rose was actively involved in various freethought organizations and secular societies. She worked alongside other freethinkers to promote their shared values and goals.