“The only certainty in life is that all things will certainly change.”— Jack Deveny Related Quotes “In science, read by preference the newest works. In literature, read the oldest. The classics are always modern.”– Amy Lowell “In the future, designer viruses will be more popular than designer jeans.”— R.A.Delmonico “For most of my 20s, I looked like I was 12. Now that I’m pushing 40, I guess I look closer to… 15? It must be my macrobiotic diet. Oh, wait, except that I don’t have one of those.”– Gabriel Mann