真相很少纯粹，也绝不简单。
The truth is rarely pure and never simple.
The forest doesn't need us, but we need the forest—this truth should guide every decision we make in forestry.
"Every story is a journey, and every journey changes us."
"The best portion of a good man's life: his little, nameless, unremembered acts of kindness and love."
感觉就是秘密。
The joy of mathematics is in the journey, not just the destination.