True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated propositions.
I have a wife and two boys. One is 18 and the other is 14. The 18-year old is getting ready for college next year and he made a decision to run track. He runs a lot like Michael Johnson.
Mathematics is the most beautiful and most powerful creation of the human spirit.