Life would be infinitely happier if we could only be born at the age of eighty and gradually approach eighteen.Mark Twain
The man who is a pessimist before 48 knows too much; if he is an optimist after it, he knows too little.Mark Twain
When your friends begin to flatter you on how young you look, it's a sure sign you're getting old.Mark Twain
When marrying, ask yourself this question: Do you believe that you will be able to converse well with this person into your old age? Everything else in marriage is transitory.Friedrich Nietzsche
When I was young I thought that money was the most important thing in life; now that I am old I know that it is.Oscar Wilde
The old believe everything, the middle-aged suspect everything, the young know everything.Oscar Wilde
In America the young are always ready to give to those who are older than themselves the full benefits of their inexperience.Oscar Wilde