Carolyn Moos-Hardin, the former fiancée of late NBA trailblazer Jason Collins, has spoken out after his death from brain cancer this week.  “How precious life is and how precious health is — I wish for longevity for all. I pray for peace and may the ways we leave a positive impact on people’s lives be eternal,” Moos-Hardin, 47, said in an exclusive statement to Us Weekly. “My condolences to Jason’s family and those closest to him. Embrace the present, give with our presence and realize time is our biggest gift.” After meeting as student-athletes at Stanford, Collins and Moos-Hardin dated…