"Middle age is the time when a man is always thinking that in a week or two he will feel as good as ever."
"Age is an issue of mind over matter. If you don't mind, it doesn't matter."Don Marquis on Mark Twain
"Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young."Don Marquis on Henry Ford
"Wrinkles should merely indicate where smiles have been."Don Marquis on Mark Twain
"True terror is to wake up one morning and discover that your high school class is running the country."Don Marquis on Kurt Vonnegut
"A diplomat is a man who always remembers a woman's birthday but never remembers her age."Don Marquis on Robert Frost
"Age is not a particularly interesting subject. Anyone can get old. All you have to do is live long enough."
"Of middle age the best that can be said is that a middle-aged person has likely learned how to have a little fun in spite of his troubles."
"Procrastination is the art of keeping up with yesterday."
"Punctuality is one of the cardinal business virtues: always insist on it in your subordinates."
"One of the most important things to remember about infant care is: don't change diapers in midstream."