"To be able to look back upon one's past life with satisfaction is to live twice"

"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"

"People with many interests live, not only longest, but happiest"

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

"Always live in the ugliest house on the street - then you don't have to look at it"

"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"

"Women, can't live with them, can't live without them"

"As soon as there is life there is danger"