"The highest point of philosophy is to be both wise and simple; this is the angelic life"

"A fool's paradise is a wise man's hell!"

"The philosophy of one century is the common sense of the next"

"Life is life - whether in a cat, or dog or man. There is no difference there between a cat or a man. The idea of difference is a human conception for man's own advantage"

"Plunge boldly into the thick of life, and seize it where you will, it is always interesting"

"Cats and monkeys; monkeys and cats; all human life is there"

"Let me embrace thee, sour adversity, for wise men say it is the wisest course"

"Telling a teenager the facts of life is like giving a fish a bath"

"It is a useless life that is not consecrated to a great ideal. It is like a stone wasted on the field without becoming a part of any edifice"

"Business is the salt of life"

"Be wise with speed; a fool at forty is a fool indeed"