Once you put human life in human hands, you have started on a slippery slope that knows no boundaries.

Once you put human life in human hands, you have started on a slippery slope that knows no boundaries.

一旦你把人的生命交到人的手里，你就走上了一条没有边界的滑坡。

-- Leon Richard Kass 利昂·理查德·卡斯