Limits have to be set on how far one can simply use the... cleverness that we have to make changes. Leon Kass More Quotes by Leon Kass More Quotes From Leon Kass Is it possible to covet a much longer life for one's self and be as devoted to the well-being of the next generation? It's a long argument. Leon Kass generations self long I don't like being forced to reduce my thoughts to sound bites. Leon Kass my-thoughts bites sound I don't believe that efforts to prohibit only so-called reproductive cloning can be successful. Leon Kass effort successful believe If you have easy self-contentment, you might have a very, very cheap source of happiness. Leon Kass self happy happiness We may simply not be wise enough to do some of the kinds of engineering things that people are talking about doing. Leon Kass engineering wise talking What does it mean to be an individual? What does it mean to flourish? Leon Kass flourish does individual mean There were certain questions about the foundations of morals that advances in science all threaten to make more complicated. Leon Kass morals questions complicated science