荀子所说的“伪”，是“人为”的意思。天生就有的是“性”，是人力无法改变的；通过后天的学习、努力可以改变的，就是“伪”。所以荀子主张“化性起伪”，通过自己能掌控的力量来改变已成定数的东西。
心灵是基本过程的镶嵌体。
"Grief is not a line, carrying you infinitely further from loss. It is a circle, and you come back, again and again, to the same place."
True innovation in science often comes from developing tools that let us see the world in completely new ways.
Science is not only a discipline of reason but also one of romance and passion.
