there was never a start and would be no end.（你不着手开始，便不会有结果）My goal is simple. It is complete understanding of the universe, why it is as it is and why it exists at all.（我的目标很简单。就是对宇宙的理解，为什么这样以及它为什么存在。）While there's life , there is hope ( 活着便有希望)