Man can live without air for seconds, Without water for days, Without food for weeks, Without ideas for years. Age increases your value - if you're wine or cheese.
Some minds are like concrete - thoroughly mixed and permanently set.
There is no reason to fear the metric system - We don't have to give up the pinch, the dab, the dollop, or the smidgen. For every action there is an equal and opposite criticism. During WWII, the atom bomb project at Oak Ridge, Tennessee was top secret. Among the rumors in the new city was that the plant was making front halves of horses to be shipped to Washington, D.C. for assembly. The scientist's dog was a laboratory retriever.