I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.  

Nothing that you remember has survived. Better to forget.

“我们能体验到的最美丽的东西是神秘的。它是所有真正艺术和科学的源泉。”

胜利的感觉很棒，但旅程才是真正重要的。