The world is so full of simple, obvious, and beautiful things that it's a wonder anyone ever bothers to invent anything at all.
释义:开始时做得好的人确实很多,但能够坚持到底的人却很少。这句话揭示了人们在做事过程中往往容易虎头蛇尾,难以善始善终。 
进化是一个漫长的过程。