2 
HAROLD’S DISCUSSIONS. 
the tower extends nearly fourteen feet beyond the 
line of its base continued to stimulate his mind. 
The word science means that which is known; it 
is classified or systematized knowledge. The human 
mind is not content to dwell in the realms of the 
known. As in the case of the boy looking at the 
Leaning Tower, it is ever attracted by that which is 
unknown to it. It is this spirit of investigation that 
makes science possible. 
