Mark Twain Quotes: The human race has only one really effective weapon and that is laughter. ...

The human race has only one really effective weapon and that is laughter. (Mark Twain)

Mark Twain Quotes Pictures

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.

Mark Twain Quotes: The human race has only one really effective weapon and that is laughter.