Answer:
Timid or weak people are said to not have these.
Goliath, The Jolly Green and Andre are all examples of this.
What is it that no man ever saw, which never was, but always will be?
What has 4 fingers and a thumb, but is not living?
It weighs next to nothing but no one can hold it for long. What is it?
What is always coming but never arrives?