Mason Cooley (1927 – July 25, 2002) was an American aphorist known for his witty aphorisms. One of these such aphorisms Cooley developed was "The time I kill is killing me."
You may find more from Mason Cooley on Wikiquote
Nothing in the world is permanent, and we're foolish when we ask anything to last, but surely we're still more foolish not to take delight in it while we have it. If change is of the essence of existence one would have thought it only sensible to make it the premise of our philosophy.