That which can be asserted without evidence, can be dismissed without evidence.
- Christopher Hitchens

The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what's true.
- Carl Sagan

God is an ever-receding pocket of scientific ignorance that's getting smaller and smaller and smaller as time goes on.
- Neil deGrasse Tyson