If one doesn't value logic, what logical argument would you invoke to prove they should value logic?

The perpetrators of the Inquisition - the torturers, informers, and those who commanded their actions - were ecclesiastics of one rank or another. They were men of God - popes, bishops, friars, and priests.

We are free to burn the Qur’an or any other book, and to criticize Muhammad or any other human being. Let no one forget it.

120 million of us place the big bang 2,500 years after the Babylonians and Sumerians learned to brew beer.

Missionaries in the developing world waste a lot of time and money (not to mention the goodwill of non-Christians) proselytizing to the needy. . . . While missionaries do many noble things at great risk to themselves, their dogmatism still spreads ignorance and death. By contrast, volunteers for secular organizations . . . do not waste . . . time telling people about the virgin birth of Jesus. Nor do they tell people in sub-Saharan Africa - where nearly four million people die from AIDS every year - that condom use is sinful.

What are the chances that we will one day discover that DNA has absolutely nothing to do with inheritance? They are effectively zero.

The core of science is not a mathematical modeling--it is intellectual honesty. It is a willingness to have our certainties about the world constrained by good evidence and good argument.