"The problem is that no ethical system has ever achieved consensus. Ethical systems are completely unlike mathematics or science. This is a source of concern"
This quote is written / told by Daniel Dennett somewhere between March 28, 1942 and today. He/she was a famous Philosopher from USA.
The author also have 4 other quotes.
"But in Christianity, by contrast, the freedom of the children of God was also freedom from all important worldly interests, from all art and science, etc"
"I think philosophers can do things akin to theoretical scientists, in that, having read about empirical data, they too can think of what hypotheses and theories might account for that data. So there's a continuity between philosophy and science in that way"