A well-ordered life is like climbing a tower; the view halfway up is better than the view from the base, and it steadily becomes finer as the horizon expands.

The fear of life is the favorite disease of the 20th century.

The fear of life is the favorite disease of the twentieth century

There is a strange reluctance on the part of most people to admit they enjoy life.

One of the secrets of life is to keep our intellectual curiosity acute

The belief that youth is the happiest time of life is founded on a fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.